Yenny Alejandra Mendoza Molina 803

Maria Alejandra Baquero Roman 803

Laura Nataly Polania Peñuela 803

LOS HUMEDALES Y SU IMPORTANCIA EN EL MUNDO

HUMEDALES BOGOTA

SISTEMA HIDRICO DE BOGOTA

Cambio Climático - Documental National Geographic

PRESENTACION DE NUESTRO PROYECTO

Jesica Diaz 802

Pollution

Caring for the environment has always had to be a priority for all inhabitants of our planet, we have limited ourselves to exploit the land, cutting down trees, destroy forest reserves, to build cities ... and make the green nature a jungle of cement and exploitation for the benefit of a few ... neglect how important would have been to have kept our water sources, taking care of our forests, have avoided much environmental pollution? If we were really aware of the damage that we cause daily to our system, it would still not destroying it.
We did not want to hear the earth screaming thriving us all the pain we caused you, or rather all the evil that we are doing to ourselves, because we are destroying our home the Earth; because littering, to allow logging of forests, to pollute rivers, before crystal, using aerosols, waste of energy and the indiscriminate use of paper, improper handling of hospital waste industries and even poor management of waste every day we draw from our homes not knowing recycle, disproportionate waste of water in our homes, with all that, we helped the temperatures rise, causing the melting of the poles, which our snow disappear because water reserves dry up, and even sadder, we no longer have rivers that supply us with drinking water heavily polluted that they carry.
We're going to leave our children? If we continue damaging our planet? Only death, destruction and arid and infertile land.
Our country is a country rich in biodiversity, both climates, species, forest reserves, hydrically is bathed by many rivers, but the change we have generated in natural habitats, has eliminated thousands of species and ecosystems, we finished with a high percentage of our nature reserves and yet we have always shown disinterest in the environment, and we have put our planet in big trouble, difficult to overcome but we take the necessary measures to stop such destruction.

Laura Duarte- 802°

It is important to address the issue of climate change as the main challenge the twenty-first century, attending to their causes and global consequences to the anthropogenic action, essentially to the patterns of production and consumption that derive negative aspects to the climatic conditions current, promoting the climate change as a temporal paradox in the context of sustainable development, allowing the creation of scales of current times for processes of socio-economic development in areas of environmental and ecological crisis. The global warming means the overall increase in the average temperature of the earth, that cause changes in weather patterns throughout the world, it is expected that the ice marine of north pole are thaw due to the high temperatures and the alterations atmospheric and heat waves increase each time more in the world. Currently manifests the irresponsible act of man in the exploitation which boasts a existence lucrative, but not favors an environmental perspective. This agrarian obtaining modifies the weather conditions, coinciding with a sequence of events harmful for the propagation of fluctuations in the short and long term in a global level ,providing a progress aumentativo in the reduction of natural resources ,limiting activities agribusiness and agricultural.Today the effects are exposed through the phenomena of nature tsunamis, floods, hail storms, countless hurricanes and cyclones, reduction of the glaciers, growth in the level of the sea, melting of the ice in the Arctic, warm autumn in the Northern Hemisphere, hot summers, severe drought in the south etc.

   

sofia contreras suarez 803

Environmental care

As time we have learned to live with what to have around but why the environment has had great changes both good and bad. some have been because of humans and most of them are evil to which the environment have changed greatly since they have abused the resources that nature provides us.

If we continue using the wrong resources we will affect the ecosystem. Although resources change as time often change does not completely destroy the ecosystem, because the new system with some differences can be created with natural resources available at the time. Although it can be destroyed by the same ecosystem if the change is very fast this has.

What we need is a development model where we take advantage of the resources that gives us the environment and not provoke serious non-repairable damage. One way could be the recovery model and a human organization to ensure a sustained process over time, in harmony with the environment and welfare for people. That could be called sustainable development or sustainable.

What we must protect the environment for generations that does not mean leaving aside our life. What we must do is adopt us an easy habit and common sense, each of us to reduce pollution affecting the land and conserve our natural resources few.

Environmental damage caused profound and disturbing for the planet changes.

What we must do to have a better planet:

v  Conserve water

v  Save energy: Turning off the light when not needed

                                Disconnect plugs that are not being  used

v  Not produce much waste

v  Avoid plastic bags

v  Use disposable container                 

v  reusing paper

v  Avoid chemicals

v  Caring wildlife flora

v  Think and act before damaging the environment

MARIA JOSE KRISTEN ABRIL
802

THE ENVIRONMENT AND NATURE

Everybody think only in the new cell phones, the tablets, the latest tv, the latest computer and all technological things but nobody take a minute to remember the really important in our lifes. Many things how the water, the seas, the forests, the oceans, the animals, the trees, all natural things are desappear in earth. Many centuries ago our planet was very special, the people's life were more natural than now. Actually the people don't think in the nature, the river's water aren't fine for the humans, the fishes are die for the dangerous water and contamination, very much animal's species are dissapear along the years because the humans don't care the ecosystem. The nature in few years going to dessapear if we don't change now our habits and think in the really important things for a fury life for our future generations. Thousand years ago the nature was very important and we had a best planet, with more vegetation, fresh air, animal's species, forests, and the people lived in peace and  shared more time in the nature, but now don't interesting nothing, the people only want deteriorate the earth, continue polluting the rivers, the air, ending with all things than help us to have a fabulous life. We can help the earth with very small things how care the water, recycle, don't cut trees, care the animals in extinction, plant trees a new vegetation. We can't forget " take care of our nature because she it part of our life, do not let anyone destroy it"....

SILVANA TASCON CASTAÑEDA 802

Planet, green planet, the place where we live, our home. Ever since we have to think about the damage we are causing to perform certain actions, without realizing simultaneously affect it? For each passing day hundreds and hundreds of millions of paper on the ground are released, or polluting gases are exploited, radiation both affect the environment due to their amounts of nuclear waste in the water and in the atmosphere, or even many times we water open longer than necessary, all this, every little act that we do affects the environment, whether for good or otherwise follow it affects, damaging the only home we have, as we have done for so years we continue to deteriorate the ozone layer with aerosols, with smoke have released the cars and the thousands of cigarettes smoked, causing terrible damage to the layer that protects us from harmful rays of the sun, ending our species flora and fauna because we do not respect what mother nature gives us damaging it part by part. We propose the change, help recycling each material go into place so that it can be properly processed, to use less plastic that turns out to be the most damaging material and the material that later more years to be processed which not only collects garbage but it has brought and will bring great impact to the environment, in the same way avoid deforestation, wonderful beings that we provide the oxygen that allows us to breathe and that allows us to be here today, remember that the planet has thousands of millions of people, and among them they were, are or will our children, this is the house we want to leave?

MARIA JOSE KRISTEN ABRIL
GRADE802

CARE OF NATURE

Everybody think only in the new cell phones, the tablets, the latest tv, the latest computer and all technological things but nobody take a minute to remember the really important in our lifes. Many things how the water, the seas, the forests, the oceans, the animals, the trees, all natural things are desappear in earth. Many centuries ago our planet was very special, the people's life were more natural than now. Actually the people don't think in the nature, the river's water aren't fine for the humans, the fishes are die for the dangerous water and contamination, very much animal's species are dissapear along the years because the humans don't care the ecosystem. The nature in few years going to dessapear if we don't change now our habits and think in the really important things for a fury life for our future generations. Thousand years ago the nature was very important and we had a best planet, with more vegetation, fresh air, animal's species, forests, and the people lived in peace and  shared more time in the nature, but now don't interesting nothing, the people only want deteriorate the earth, continue polluting the rivers, the air, ending with all things than help us to have a fabulous life. We can help the earth with very small things how care the water, recycle, don't cut trees, care the animals in extinction, plant trees a new vegetation. We can't forget " take care of our nature because she it part of our life, do not let anyone destroy it"....

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Tatiana Medina Ruiz - 802

global warming for my global calentaniento is the increase in temperature of the earth that made presencis today and will continue in the future no one doubts that it will increase global warming which generates controbersia in raising the temperature even so the scientists say there are more than 90% certainty that the increase in global warming by human activities including disasters, desforestaciones and the burning of fossil conbustibles some of them may be the oil or coal these conclusions are APPROVED by the academies science of most industrialized countries also global warming is a aunmento temperatures by the earth's surface regarded as a symptom and a consequence of climate change, global warming may cause some outstanding land damage, scientists considen that the increase consentracion of gas, greenhouse gases terrestrial admosfera some act similarly the roof of a greenhouse vidriode trapped all the heat and warming the planet.
Global warming is a big problem today. Many scientists are trying to find solutions, but the problem is so bad that already has effects on earth. The simplest explanation of global warming is that every year, the atmosphere temperature rises slightly. In a year can not affect land in drastic ways, but after many years, we have seen horrible things. Glaciers are melting, some animals are dying, and the forests are burning.

Let us entre conseciousness, before it's too late

Our Mother Nature does not care as we should as human beings we do not realize all the things that gives us every day, is impressive all the damage we cause every day, we think that drop a papela the street not nothing happened but we were wrong because that generates pollution is one thing that is not good for our environment and if people were more aware of everything we did and were more rational would care much better every little thing that gives us our wonderful nature. Another thing we do not care is the water we spend as if we think that is infinite and will never dig beyond just pollute making all living beings living in that river or lake die slowly do more animals die I'd love that humans were like those of many years before when we did not do any damage to nature, when we care for animals and each plant or we made good use of it, when technology had not yet arrived and we thought that our real mother was the land and took care as if it were gold, I think the Indians were or are people there to admire is spectacular as caring and tried not to make any unnecessary damage.

To protect the environment , not much effort to prevent tragedies that can occur , it is very important to protect the environment because in a nutshell gives us life , gives us valuable objects for living things . These objects are: *Wardrove

*School Supplies

* Materials useful for both schools and workers . Among other things.. To avoid environmental tragedies must do the following :

* Do not burn the trees

* No littering , ( should be thrown in the containers you're close )

* Do not burn plastics

* Do not throw liquids Etc...

Every good deed we do is little or much makes the environment to be saved, just look at the beautiful things that can give us the environment that thanks to those objects humanity is still alive.

sara helena morris garcia 802 

MARIA FERNANDA CASTRO 801

GLOBAL WARMING

The term global warming refers to the gradual rise in temperatures of the atmosphere and oceans on Earth that has been detected at presenr, in addition to its continuous increase projected for the future

The global warming started in the siglo xlx when scientists

suspected alterations in the nature for first time, this afected the global ecosystems and the atmosphere which is vital to survive.

The scientists identified the natural greenhouse effect, who has been produced by the carbon dioxide because from a beginning this didn’t was controled the gases emissions and didn’t took the responsibility to care the global warming and of this form not affected in the future ourselves.
Starting the age of 70’s the possibility that the aerosol would have increased in the world so Reid Bryson showed the increase of a severe cooling, this made tha ages produced the ice and that gradually made an orbital change and in the global temperature.
During this perod that stayed more than 80 thousand years, the North Hemisphere was covered with a layer ice and this reached 3 kilometers.
The atmosphere and the air that we breathe is of us and it would be use equitably.

Camila Baron 802

The biodiversity

One of the most frequents questions is why are we losing our biodiversity? Well this is the answer, the deterioration of habitats is one of the main causes of this loss, we as human beings, just like all other living beings, are part and depend on it, interactions of biological diversity is what makes the planet is habited by all species, the most visible form of that loss is noticed is the extinction of animals such as pandas, tigers, elephants and whales, if this doesn't strike us, let's not forget the most serious threat to diversity, which is the direct degradation and loss of forests, all these atmospheric issues occur globally.                         

 Recently more than eight hundred species have gone and eleven thousand are threatened,every year billions of fertile soil disappear, however the result of these extinctions have not been the death of all life forms on the planet, if not the transformation of the whole species, every time they living conditions change , some species have more chances than others, new forms of life, some thrive increasing their populations and habiting new places, others dramatically reduce the number of individuals and places which it live, others just  disappear.

Globally we need now 1.4 planets to support our lifestyles, and in 2009 alone we used 40% of our nature, more of what can be generated in one year, yet the loss of biodiversity, is not certainly the greatest threat to global stability and security, today.

valentina useche agudelo 802

            WORKING FOR THE WORLD

Climate change is a combination of chemical gases, this is produced by people with their machines and their industrial waste. in the World Ocean Day (08/06/2009) the director of the PNUMA spread  information against the use of not performing the plastic bags, this is a good cause for the planet but we did not think in our world. which leads to destructiond and leads to destruction and annihilation. On account of the contamination the results of climate change are putting at risk the enteri ecosystem that exist on the earth, since, when heated, gas is absorbed by seas and glaciers, causing fusión of the sea levels, causing floods and droughts. Agriculture would also be affected, the  rivers will dry up and many species they wont be able survive in these conditions, the hurricans, tornadoes and thunderstorm produced for the temperature it will occur more often.

This is the price to be paid for the actions of past generations used to think throw trash at the Street had not importance, use certain types of chemicals used the control of theme never going to generate the ecological emergency that is living.

In the present day made many campaigns to regulate this problema and it is create a culture and ecological generation for a better future.

Climate change it is a not a joke, is happening, we must be aware and from our surroundings start to change, be part of  the solution and not the problem.

¿Are we ready for the change the world?

Paula Camila Quimbay Ramirez 802 .

THE IMPORTANCE OF WATER

 It is something really sad to realize that we do not care appreciate nature and all it offers us.

A few years ago the world was not as polluted as it is today, because it  tried to care for and value all, do not spend so much water, light and especially not pollute as now.
In this case take for  example the wáter, It is vital for life without water, there is no life .
It is essential for all known forms of life . for example for the human being it is essential for plants because they take water to absorb substances, without them there would be no oxygen for animals, among other.
Besides water is the universal solvent because it has a great ability to dissolve substances.Mostly It dissolves almost all solids.
It is also the main component of the organism.

Well, we realize how necessary it is wáter but if we are taking care of ? Not the truth is that no, it is becoming difficult to bad drinking water consumption , and if we know that the earth is composed mostly of water, but that is not enough to say that the aga never going to end.

Plus much water is declining by:

v  Population growth.

v  Freshwater pollution.

v  Global warming.

v  Climate change.

v  Lack of awareness.

v  Logging.

v  Removing excess wáter.

v  Destruction of ecosystems and many more factors.

Keep in mind that fresh water remains the necessary condition for survival and there are enough problems affecting. Lack of water is beginning to be felt in places where once abounded, and I do not mean dry deserts or dinner.

But some solutions have been created in some countries they are already making tartados with other nations to supply water.

Another way to conserve water for the future is to control irrigation in plantations and not waste so much.
How long a person endure without wáter?

Exceptional cases have been reported of people arriving survive up to twelve days, but the average survival time is three to five days nothing more.

I just hope that with this letter actually become aware of all that wasted water and do not value nature.

“You will not miss the water until your well runs dry”
Bob Marley

Nicoll Sierra 802

RECYCLING WE HELP TO THE ENVIRONMENT

In the past, the environment has suffered irreversible hurts due to the bad employment that the human being gives him, of this it is said that the environment is a source of life for the human beings. " It is everything who surrounds us ".

 For this reason, it is sought by means of a politics, to diminish the hurt realized to the environment across the programs of conscience in order that every individual is he consents and do part of the change to manage to improve the quality of life of the human beings.

In Colombia the residues are manipulated by a group of so called persons " recyclers “, whose supply source is the manipulation and the employment of the garbage.

The principal function of these persons must go of house in house to assemble the things that are "useful" and that for other persons already have realized a cycle of function for which they reject the objects, after the accomplishment of a process of selection of these objects they sell in the centers of collection where they accumulate the elements then to sell it for tons to the companies that realize a process of recycling of the objects.

The principal aim is to generate the conscience and give lessons to the persons to be able to contribute and generate changes, which initiate in our houses, when we select and to identify by means of the bags of colors the organic garbage of the plastic, the carton and of paper. This garbage finishes in the sidewalks of the houses or in a place destined for the compilation and there it is where it begins the work of recyclers.

Nicol Caldas Garcia 802

watch out!!

In the past to the problem of the nature, we did not pay him the sufficient atention for to realize that ourselves was destroying our ecosistem, some causes were the neglect of the wast that we generate to daily and the bad treatment that we give to the environment also, i think that they must create proyects for the care and the conservation ot ours habitat, because in some years it could not be habitable ecosistem.

About the topic to be discussed or presedents of the same is to think in not say that persons to do if not that all start to change by ourselves and improve the prospect of change. so be it the minor and minimal change its help to improve all from of point of view that they see it.

All live on the same planet and was created for have a quality and make an effort by those who inhabit for that this not damage so fast and we dont repent of the what happened in the social networks i realized that if we do not recycle the human life and animals life they do not will inhabit thu territory some causes its know like, not recycle plastic, papers or cans, these elements do not recyclable reach to the sea, where the aquatics animals by consumer it or by physical agression are dying.

There are persons that gave the same have throw on only paper on the floor, thinking that it was not big thing but really each paper form little by little in a montain of garbage and destroy ours place of life. There are people that not import the topic but there are people that if they care and they do not thought in today, they thought in a tomorrow, and they generated change.
When people care about the care they do campaings and strive for that others join and helps, not only we harm the nature throwing papers in the street, and do not recycle, also was the smoke of factories that damage the environment.

Climate Changes

                                  Nombre : Michel Daniela Sanchez Parra.    Curso :803 .  Fecha :27/08/2016

                                                                Climate Change

 Climate change is likely to exacerbate both natural disaters and conflicto over natural resourses
but the impact of climate into businesses and companies is bering underestimated.climate change dealtswith statistics of distribution of weather. patterns over  an extended period ot time decades millons of years, it can refer to a change in average weather conditins of the weather temporal variatonof the average long temperatures conditions.more or less extreme weather events.it is coused by factors such as biologica processes variation in solar radiaton received for earth, tectonic plates and volcanic eruptions they have also identified certain human activities as significant causes of recent climate changesoften called global warming .
scientists are actively working to understand the past and future climate through observations and theoretical models has complied a climate has complecations and continues to building  , based on geologica evidence from  thermal profiles of perforations 

removed deep accumlations ofice , register of flora and fauna, processes cores glaciers and melted , stable isotopos  and other analyzes of sediment layers and the records sea levels in the past, the instrumental recored providies  more recent data , the models de general circulation , (GCMS)supported by the phiscal sciences, are often used in the oretical approaches to match past climate data. make future prections and associate the causes and effect of climate change the companies have to develop new alternatives for planet care, for reduce the pas emtsstons and this way to have better control of it  

BOGOTA RIVER'S

Bogota River's

We can note that one of the most important rivers is highly polluted, for we humans are not aware of all the hurt we are causing to the environment.

For example:

Ø  Throwing garbage.

Ø  Cutting down trees.

Ø  Wasting water.

Ø  Toxic wastes that are thrown to the rivers

CONTAMINATION

Ø  The polluted waters of the Bogota river have caused high levels of microorganism and toxic metals in some foods.

Ø  Whit respect to the vegetation, the river has a low density of water macrophytes, because of the speed of water.

Ø  Chrome, especially in the area of the mouth the river Tunjuelo.

Ø  Lead, particularly in the sections Villapinzon.

Ø  Mercury, than ten years ago found in the analysis, reports today not because of his disappearance.

BACKGROUND OF POLLUTION BOGOTA REVER’S

Ø  The amount of waste strip in the river.

Ø  The rains down charged waste.

Ø  Toxic waste that the industries thrown in the river.

Whatever surprising result as some certain animals such as cows, sheep’s, dogs, and other took the river water.

Although one results have identified a reduction the water intake not a few sources in used in crop irrigation.

DECONTAMINATE OR STOP CONTAMINATING

The way out apparently be the decontamination of the Bogota river’s, however only a short term solution is to launch campaigns about uncontaminated to the can raising people about the great effects this may well of the future, all so be able genere habits for the environmental stewardship.

Maria Eugenia Barragan L

802.

Marlen Zuleima Forero Angel 803

Environmental care 

In the last years, the people thought  about ways to care environmental because the humans introduced external substances into the environment. If we can't  be aware of this, there will be terrible consequences on people and the planet like destruction of the biodiversity, increased mortality of the humans and animal species, etc.

Some examples of contamination in our ecosystem are:

 -The ozone layer is the second layer of the Earth’s atmosphere. Ozone is good at trapping a type of radiation called ultraviolet radiation, or UV light, which can penetrate organisms’ protective layers, like skin, damaging DNA molecules in plants and animals. The ozone layer is getting thinner because the factorie's smoke, car's smoke  and nuclear plants have damaged it . ''Ozone holes'' are popular names for areas of damage to the ozone layer but the scientists observed the first signs that the ozone layer starts to recover.

-Natural disasters are extreme, sudden events caused by environmental factors that injure people and damage property. Earthquakes, windstorms, floods, and disease all strike anywhere on earth, often without warning.

-Water Pollution: This example is one of the worst  because if we are not aware probably there would not be drinkable water and all the people will die. Water pollution happens when toxic substances enter water bodies such as lakes, rivers, oceans and so on, getting dissolved in them. This degrades the quality of water.

To conclude it's necessary to be aware of what human race is doing to our home and what is the contribution of every one. The world is in danger and we have to take care of it. We are preventing pollution: recycling, throwing away the garbage in the trash can and not using public transport or cars.

Colombia against illegal mining



Being here in Bucaramanga, denouncing people live who are worried because many companies involved in illegal logging continue in this activity for a year.

I'm walking down the path of beautiful blue where I found the army, national police and prosecutors destroying three dredgers with that extracted emeralds.

In this area buy a pair of emeralds in the amount of money for their sale was inside a safe are doubled, he walked at least a kilometer and found dredgers where land was damaged and affected.


I went to talk to a spokesperson of the people who assures us that mining destroys the environment as for extraction harm entire hills, native species of flora and fauna, also generate hazardous waste such as acids and cyanides that harm the people generating many diseases.

to solve this problem the government is invited to show interest on illegal mining so that our environment does not disappear daily samll this is called illegal by the way they operate which is done without permission and without safety standards also suitable for the high and irreparable environmental impact.


My question is because it follows all the same after so many deaths and so much destruction of the environment, what is happening with illegal mining in Colombia? Why are there so many problems? What about the government does not take establishes rules on the matter? What communities can expect regarding illegal mining?.

This affair much to say and to debate but ultimately the goal should aim to find a solution for the state you can find a successful exit humanitarian problem that is causing mining.
                                                                                         MARIANA FERIA 803

VALENTINA GUERRERO MONTEJO 801

MELTING GLACIERS

The conceit of glaents has origin in the frensh glacier a gives name the block or structure of frost that fut accumulate in certain areas of the chain or rige of mountans, on of the line of stame, the limit of the snow inmotelle. The part lower of an glaents collision in move, with a slip very slow and similar at an river.

CONCEQUENCES: Scarcity of earthwater, augmentation of the level of the sea, mortality in the animals that inhabit in the pole (bear pingüins, fur-bearing seal, walrus, wolf slow arctic, hare) 

CAUSES: Contamination of the environment by the humanbeing, use of  aerosoles is hurtful to cloak of ozone, the calefaction global this provoke an series of baters climatics in the earth, the augmentation in the activitys industrials that produce Co2 augmentation the quantity of radiation in the akull polars help the thaw.

SITUATIONS:

ARTIC: During the spring and the summer , form on the ice pons of wather owing the taw of the same. Anxious of the beauty of this phenomenon an study recent realize by investigators determine that the pons of wather every turn more presents are an omen of the bigs baters climatics that the expectation the ocean artic. This pons form on the ice absorb in greather degree  the hot of the sun, progeny an taw more accelerator. It has been verified that this bulky cloak it has been made more small, leave place a form new of ice

ARTANTIDA: In the artantida the principal preoccupation arise of the glaents of pine island, that this taw from long time age contributed to the augmentation of the level of the ocean in the last years, the rapid retrocession that it was suffer this glaents carried much a think that can collapse in any moment

 

juana florez - 802

CLIMATE AWARENESS

My opinion is that global warming is affecting the world, the greenhouse effect is getting worse because we are causing pollution and the world is entering crisis. We should raise awareness and inform us more on this subject, all of us should make a change in thinking and try to save this world. I have read and seen many animals and people die because of this problem that we ourselves have caused, I believe that the human being over-exploited natural resources and already some time ago we beginning to suffer the consequences is a serious problem that we face what do you do to help? Consider among all the climate change, it is time to worry about our future, we are ruining the only planet we have.We can do to change the other people. Before without the overall warming, the world was not in danger but today it Have is . For this cause I have a list of sentences for bad think in everything That we are doing. To end I need that we make the change that we want to see on earth, but this change duty to start fast before of that worse. Because time is ending and we is not doing nothing for prevent.

Six  actions that neutralize global warming:

·         reduce water consumption.

·         Recycle Waste.

·         promote reforestation or implementation of green areas in the cities

·         reduce the use of contaminants.

·         use hand sprayers instead of aerosols.

·         Change incandescent filament bulbs, they use almost all the electricity consumed in producing heat.

YET WE CAN SAVE THE WORLD!