Short Essay on Human Activities and Greenhouse Gases
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There is substantial evidence that human activities contribute to the built-up of “greenhouse gases” in the atmosphere, leading to a gradual rise in global temperatures. In particular, carbon dioxide is produced when fossil fuels are burned to generate energy, or when forests are cut down and burned.
According to the Intergovernmental Panel on Climate Change, climate models predict that global temperatures will rise by about 1.4 to 5.8°C by 2100. This projected change is larger than any climate change experienced over the last 10,000 years – with potentially significant impact on the global environment.
To counter global warming, the 1992 United Nations Framework Convention on Climate Change was developed and signed in Rio. Under the Convention, developed countries agreed to reduce emissions of carbon dioxide and other greenhouse gases they release into the atmosphere to 1990 levels by 2000.
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There is substantial evidence that human activities contribute to the built-up of “greenhouse gases” in the atmosphere, leading to a gradual rise in global temperatures. In particular, carbon dioxide is produced when fossil fuels are burned to generate energy, or when forests are cut down and burned.
According to the Intergovernmental Panel on Climate Change, climate models predict that global temperatures will rise by about 1.4 to 5.8°C by 2100. This projected change is larger than any climate change experienced over the last 10,000 years – with potentially significant impact on the global environment.
To counter global warming, the 1992 United Nations Framework Convention on Climate Change was developed and signed in Rio. Under the Convention, developed countries agreed to reduce emissions of carbon dioxide and other greenhouse gases they release into the atmosphere to 1990 levels by 2000.
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Greenhouse Effect➫ The warming effect of the sun on greenhouse gases like Carbon dioxide that act to trap this heat in our atmosphere.
Ex:- Global Warming
♦ It is one of the main factors determining the temperature of a planet.
♦ It act like a blanket by absorbing IR radiation & preventing it from escaping into outer space.
➧ Types 0f Greenhouse Gases are:-
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=⤵
❱ 0zone
❱ Methane
❱ Nitrous oxide
❱ Carbon dioxide
❱ Chlorofluorocarbons
❱ Hydrofluorocarbons
➧ Causes 0f Greenhouse Effect are:-
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=⤵
❱ Burning of Fossils Fuel like - Coal.
❱ Trapping of energy in the lower atmosphere.
❱ The chemical composition of the atmosphere.
❱ The total energy influx from the sun which depends on the earth's distance from the sun & on solar activity.
➧ Importance 0f Greenhouse Effect are:-
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=⤵
❱ It maintain the water level of the earth's surface.
It keeps the Earth warm enough to sustain life.
❱ It prevents the melting of ice & restricts the polar caps to the polar regions only.
➧ Effects 0f Greenhouse Effect are:-
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=⤵
❱ Skin disease.
❱ Rise in sea level.
❱ Climate Change.
❱ Increase in earth's temperature.
➧ The ways to reduce Greenhouse Effect are:-
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=⤵
❱ Reduce, Reuse & Recycle.
❱ Use Less Heat & Air Conditioning.
❱ Replace Your Light Bulbs.
❱ Drive Less & Drive Smart.
❱ Buy Energy-Efficient Products.
❱ Use Less Hot Water.
❱ Use the "Off" Switch.
❱ Plant a Tree.
_________
Thanks...✊
✭✮ӇЄƦЄ ƖƧ ƳƠƲƦ ƛƝƧƜЄƦ✮✭
┗─━─━─━─━∞◆∞━─━─━─━─┛
Greenhouse Effect➫ The warming effect of the sun on greenhouse gases like Carbon dioxide that act to trap this heat in our atmosphere.
Ex:- Global Warming
♦ It is one of the main factors determining the temperature of a planet.
♦ It act like a blanket by absorbing IR radiation & preventing it from escaping into outer space.
➧ Types 0f Greenhouse Gases are:-
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=⤵
❱ 0zone
❱ Methane
❱ Nitrous oxide
❱ Carbon dioxide
❱ Chlorofluorocarbons
❱ Hydrofluorocarbons
➧ Causes 0f Greenhouse Effect are:-
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=⤵
❱ Burning of Fossils Fuel like - Coal.
❱ Trapping of energy in the lower atmosphere.
❱ The chemical composition of the atmosphere.
❱ The total energy influx from the sun which depends on the earth's distance from the sun & on solar activity.
➧ Importance 0f Greenhouse Effect are:-
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=⤵
❱ It maintain the water level of the earth's surface.
It keeps the Earth warm enough to sustain life.
❱ It prevents the melting of ice & restricts the polar caps to the polar regions only.
➧ Effects 0f Greenhouse Effect are:-
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=⤵
❱ Skin disease.
❱ Rise in sea level.
❱ Climate Change.
❱ Increase in earth's temperature.
➧ The ways to reduce Greenhouse Effect are:-
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=⤵
❱ Reduce, Reuse & Recycle.
❱ Use Less Heat & Air Conditioning.
❱ Replace Your Light Bulbs.
❱ Drive Less & Drive Smart.
❱ Buy Energy-Efficient Products.
❱ Use Less Hot Water.
❱ Use the "Off" Switch.
❱ Plant a Tree.
_________
Thanks...✊
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