James Hassen James Hassen (NASA) states (NASA) states that the Earth is getting that the Earth is getting hotter, he adds that global hotter, he adds that global warming is real and he is warming is real and he is 99% sure that we are in a 99% sure that we are in a present danger.present danger.

He said that global warming He said that global warming is caused by Greenhouse is caused by Greenhouse effect.effect.

Greenhouse effect Greenhouse effect It is due to the increase It is due to the increase

atmospheric Carbon dioxide and atmospheric Carbon dioxide and other gases that traps the other gases that traps the enormous amount of heat coming enormous amount of heat coming from the sun inside our planet.from the sun inside our planet.

Its is so called Greenhouse effect Its is so called Greenhouse effect because it is the same as the because it is the same as the green house botanical garden green house botanical garden that traps heat for the plants.that traps heat for the plants.

What is the cause What is the cause Greenhouse Greenhouse

effect?effect?

It is due to the burning of fossil It is due to the burning of fossil fuels, deforestation, and the fuels, deforestation, and the production of certain synthetic production of certain synthetic chemicals that release chemicals that release enormous amount of heat that enormous amount of heat that traps gases in the atmosphere.traps gases in the atmosphere.

These gases absorb the earth’s These gases absorb the earth’s infrared radiation and prevents infrared radiation and prevents it from escaping back into it from escaping back into space.space.

Greenhouse effect is not bad Greenhouse effect is not bad at all because of this at all because of this phenomenon our planet did phenomenon our planet did not freeze and life is possible.not freeze and life is possible.

But due to excess greenhouse But due to excess greenhouse gases there is overheating gases there is overheating inside our planet that result to inside our planet that result to global warming. global warming.

What are the What are the greenhouse gases that greenhouse gases that can contribute to the can contribute to the

formation of formation of greenhouse gases?greenhouse gases?

Where can we get these Where can we get these greenhouse gases?greenhouse gases?

Carbon dioxideCarbon dioxide A greenhouse gas that is A greenhouse gas that is

released in large quantities released in large quantities when fossil fuels, oils and when fossil fuels, oils and natural gas are burned.natural gas are burned.

It came from incinerators, It came from incinerators, waste treatment plants, waste treatment plants, electric power plants, factories, electric power plants, factories, household furnaces, cars and household furnaces, cars and other vehicles.other vehicles.

MethaneMethane It came from bacterial It came from bacterial

decomposition of organic matter – decomposition of organic matter – in the landfills, flooded rice in the landfills, flooded rice paddies, and guts of cattle and paddies, and guts of cattle and termites and by burning wood and termites and by burning wood and fossil fuels.fossil fuels.

Methane is trapped in ice, thus due Methane is trapped in ice, thus due to global warming these ice will to global warming these ice will break and methane gas are break and methane gas are released.released.

Chlorofluorocarbons (CFC’s) Chlorofluorocarbons (CFC’s) CFC’s are important ingredients in CFC’s are important ingredients in

making refrigerator and propellant making refrigerator and propellant gases for aerosol spray cans.gases for aerosol spray cans.

CFC’s is also found in Styrofoam.CFC’s is also found in Styrofoam. When CFC’s escape into the When CFC’s escape into the

atmosphere, they trap heat.atmosphere, they trap heat. CFC’s also release ozone-depleting CFC’s also release ozone-depleting

bromine that reduces the ozone bromine that reduces the ozone layer.layer.

Nitrous oxide It is emitted due to human

activities (nitrogen cycle). Nitrous oxide are released

when coal and other fossil fuels are burned.

It often turn as nitric acid in the atmosphere and fall as acid rain in the ground.

Carbon monoxideCarbon monoxide Carbon monoxide are Carbon monoxide are

released in the atmosphere released in the atmosphere due to the chemical due to the chemical breakdown of methane by breakdown of methane by burning fuels and by burning burning fuels and by burning trees from forest.trees from forest.

It often react easily with It often react easily with other chemicals in the air.other chemicals in the air.

OzoneOzone It provide protective It provide protective

shield in the atmosphere shield in the atmosphere against the sun rays.against the sun rays.

It is destructive as it reach It is destructive as it reach the ground, plants are the ground, plants are killed due to ozone killed due to ozone toxicity.toxicity.

What are the What are the causes of Global causes of Global

warming?warming?

Increase in population Increase in population growthgrowth

Over population can release Over population can release large amount of Greenhouse large amount of Greenhouse gases every year due to human gases every year due to human consumption.consumption.

The use of energy, the use The use of energy, the use fossil fuel and many more.fossil fuel and many more.

Exhaust fumes/ Smoke Exhaust fumes/ Smoke and other gasesand other gases

Burning of fossil fuels by Burning of fossil fuels by factories, vehicles and other factories, vehicles and other smoke releasing machines has smoke releasing machines has a great contribution in the a great contribution in the formation of global warming. formation of global warming.

Farts from cattle including herbivore animals

Livestock like cattle releases methane gas due to the presence of methanogens in their body contribute to the release of these greenhouse gases.

Gases from marshes, Gases from marshes, swamps, and rice paddy swamps, and rice paddy

fieldsfields The release of Nitrous oxide The release of Nitrous oxide

and other greenhouse gases and other greenhouse gases contribute to the contribute to the accumulation of these gases accumulation of these gases in the atmosphere.in the atmosphere.

What are the What are the possible effects possible effects

of Global of Global warming?warming?

Melting of the polar ice Melting of the polar ice caps in the polar caps in the polar

regions like the Arctic regions like the Arctic and Antarctic ice and Antarctic ice

sheets contribute to sheets contribute to sea level rise.sea level rise.

Coastal areas Coastal areas and islands and islands would be would be flooded.flooded.

Agriculture, water Agriculture, water resources, fisheries, resources, fisheries, shipping and energy shipping and energy

use would all be use would all be disrupted.disrupted.

Other parts of Other parts of the globe will the globe will

experience experience drought.drought.

Stronger and Stronger and more dangerous more dangerous typhoon will be typhoon will be experienced.experienced.

Many wildlife Many wildlife and trees will and trees will

die.die.

World’s food World’s food supply would be supply would be

dramatically dramatically affected.affected.

Diseases like Diseases like dengue, malaria and dengue, malaria and

schistosomiasis schistosomiasis incidents will incidents will

increase.increase.

There would be There would be massive coral massive coral bleaching in bleaching in

the coral reefs.the coral reefs.

What are the What are the possible ways to possible ways to

minimize the minimize the effect of this effect of this

Global warming?Global warming?

Promotion of Promotion of family planning to family planning to reduce population reduce population

growth.growth.

Educating people Educating people for reforestation for reforestation

programs by programs by initiating eco-initiating eco-

tourism.tourism.

Car owners have to Car owners have to switch to natural switch to natural

gas (biofuel) to help gas (biofuel) to help cut down Nitrous cut down Nitrous oxide emission.oxide emission.

Introduce Introduce recycling method recycling method (the use and re-(the use and re-

use of materials).use of materials).

Turn off or plug Turn off or plug out electrical out electrical

appliances if it appliances if it is not used.is not used.

The use of The use of fluorescent light fluorescent light bulb instead of bulb instead of

incandescent light incandescent light bulb.bulb.

The use of alternative The use of alternative form of energy such form of energy such

as geothermal, as geothermal, hydroelectric, solar, hydroelectric, solar,

and wind power and wind power energy.energy.

Tree Tree planting planting

activities.activities.

Waste Waste management management

programs.programs.

Supporting Supporting programs that programs that

help our help our environment.environment.

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