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Home Tips > Tips By Category > Tips you can implement daily Global warming is the observed increase in the average temperature of the Earth's near-surface air and oceans in recent decades and its projected continuation.
The term global warming is a specific example of the broader term climate change, which can also refer to global cooling. In principle, global warming is neutral as to the period or causes, but in both common and scientific usage the term generally refers to recent warming and implies a human influence
Most of the observed increase in globally averaged temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations,
which leads to warming of the surface and lower atmosphere by increasing the greenhouse effect. Other phenomena such as solar variation and volcanoes have had smaller but non-negligible effects on global mean temperature since 1950.
While this conclusion has been endorsed by numerous scientific societies and academies of science, a few scientists disagree about the primary causes of the observed warming.
Most national governments have signed and ratified the Kyoto Protocol aimed at combating greenhouse gas emissions.
Source Wikipedia.org
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