Global warming is said to increase the average temperature of the Earth's surface, enough to cause climatic change. The increase in greenhouse gases such as carbon dioxide is seen as the important factor. The rise in their levels in the atmosphere is caused by human activities such as deforestation, carbon dioxide combustion, etc.
Global surface temperature increased 0.74 ± 0.18 °C (1.33 ± 0.32 °F) during the last century.
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... that food ran out- they died, without damaging all other life on Earth. Global warming is caused by the heat that man produces by the use of artificial energy and by the ...
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