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1. .


2.1. Climate change is a reality

2.1.1. its cause is the human being the dangerous consequences of its impact are already reflected in all the continents and oceans of the world

2.2. Global warming can still be maintained below the agreed threshold of 2 ° C

2.2.1. compared to pre-industrial levels;

2.3. Ensuring a safe future climate is possible and economically viable

2.3.1. if actions are taken urgently and immediately.


3.1. Principio siglo XXI

3.1.1. Precipitation in the United States has increased by about 6 percent Such events can cause Flooding Soil erosion Even loss of life

3.1.2. In some midcontinental areas Increased evaporation has led to drought Because

3.1.3. Global mean Sea level has risen 4 to 10 inches

3.2. Siglo XX

3.2.1. the average surface temperature of the Earth has increased by about 1.0o F The eleven warmest years this century have all occurred since 1980 1995 the warmest on record

3.2.2. Between 1981 and 1991 There is evidence that ecosystems are reacting Greening in spring and summer occurred up to eight days earlier Vegetation continued to photosynthesize an estimated four days longer.


4.1. it's the most important

4.1.1. Climate Change Climate change is now a major global concern .Climate change melts the ice. A climate change attributed directly or indirectly to human activity What does warming do? A warmer Earth speeds up the global water cycle

4.1.2. The greenhouse effect effectively absorb infrared radiation emitted by the surface For

4.1.3. The greenhouse gases The gaseous components of the atmosphere Natural Anthropogenic Absorb and emit radiation in radiation lengths Main greenhouse gases Water vapor (H2O) Carbon dioxide (CO2) Nitrous oxide (N2O) Methane (CH4) Ozone (O3)


5.1. Siglo XVIII

5.1.1. Joseph Fourier He realized that if it were the distance from the Sun, to Earth, our planet should be an icy ball. He deduced the greenhouse effect.

5.2. Principios siglo XIX

5.2.1. Svante Arrjenius He made the first projections, calculations were rejected in his time. Over accumulation of carbon dioxide in the atmosphere Rising temperatures

5.3. 1938

5.3.1. Guy Callendar The first scientist who established a relationship Between

5.4. 1959

5.4.1. Edward Teller He pointed to fossil fuels as responsible for increasing heat Comparing

5.5. 1992

5.5.1. The ONU They accepted that climate change was a threat created by man.


6.1. Colombia

6.1.1. Promote non-renewable energy

6.2. United States

6.2.1. he scientific community has predicted about global warming

6.3. China

6.3.1. They are sources of clean and inexhaustible energy It do not produce greenhouse gases.

6.4. Jamaica

6.4.1. It is necessary To plan and establish strategies and measures of adaptation

6.5. Canada

6.5.1. the long dependence on its economy of abundant natural resources, but finite.

6.6. Brazil

6.6.1. Take care of the use of appliances, use only if necessary

6.7. General view

6.7.1. Address the change climate is a opportunity economic Is not a burden


7.1. Apply the 3 R

7.1.1. Recycle separate reusable waste from biodegradable

7.1.2. Reduce Consume only what is necessary

7.1.3. Reuse Give new use to old materials

7.2. Save energy

7.2.1. Take care of the use of appliances, use only if necessary

7.3. Act against the loss of forests

7.4. Reduce Carbon Monoxide Emissions

7.4.1. Use the private car less

7.4.2. choose to walk or use the bicycle or opt for public transport.

7.5. Promote non-renewable energy

7.5.1. They are sources of clean and inexhaustible energy It do not produce greenhouse gases.

7.6. Plant Trees

7.6.1. Each tree in its entire life, can absorb up to a ton of CO2.


8.1. .

8.1.1. Change is a word that comes from Latin "Cambium" "Give one thing for another."

8.1.2. Greek drift. "Klima" "Inclination of the sun"


9.1. .

9.1.1. Damage to crops and food production

9.1.2. The droughts

9.1.3. Health risks

9.1.4. Extreme weather events, such as damage, storms and hurricanes

9.1.5. Mega-fires