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Geography Summary (CLIMATE CHANGE (Causes (Human activities (stationary…
Geography Summary
CLIMATE CHANGE
Causes
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Human activities
stationary energy sources, such as coal-fired power stations (47 per cent)
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coal mines (12 per cent)
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Impacts
Temperatures will continue to rise :Because human-induced warming is superimposed on a naturally varying climate, the temperature rise has not been, and will not be, uniform or smooth across the country or over time.
Arctic likely to become ice-free: The Arctic Ocean is expected to become essentially ice free in summer before mid-century.
Green House Gases: A gas that contributes to green house effect by absorbing infrared radiation,e.g carbon dioxide and chloroflouocarbon
Sunlight passes through the atsomsphere and warm the Earth's surface. This heat is radiated back into the space But most of outgoing heat is trap by green house molecules and re emitted in all direction, make the Earth hotter
Climate change is a change in the statistical distribution of weather patterns when that change lasts for an extended period of time.
GLOBAL WARMING
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Global warming is the observed century-scale rise in the average temperature of the Earth's climate system and its related effects.
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