Global Warming

Shin · Jun 29, 2009

Global warming is the increase in the average temperature of the Earth's near-surface air and oceans since the mid-20th century and its projected continuation. Global surface temperature increased 0.74 Â± 0.18 Â°C (1.33 Â± 0.32 Â°F) during the last century.[1][A] The Intergovernmental Panel on Climate Change (IPCC) concludes that increasing greenhouse gas concentrations resulting from human activity such as fossil fuel burning and deforestation are responsible for most of the observed temperature increase since the middle of the 20th century.[1] The IPCC also concludes that natural phenomena such as solar variation and volcanoes produced most of the warming from pre-industrial times to 1950 and had a small cooling effect afterward.[2][3] These basic conclusions have been endorsed by more than 45 scientific societies and academies of science, including all of the national academies of science of the major industrialized countries.[4]
Increasing global temperature will cause sea levels to rise and will change the amount and pattern of precipitation, probably including expansion of subtropical deserts.[7] The continuing retreat of glaciers, permafrost and sea ice is expected, with the Arctic region being particularly affected. Other likely effects include shrinkage of the Amazon rainforest and Boreal forests, increases in the intensity of extreme weather events, species extinctions, and changes in agricultural yields.

Political and public debate continues regarding what actions (if any) to take in response to global warming. The available options are mitigation to reduce further emissions; adaptation to reduce the damage caused by warming; and, more speculatively, geoengineering to reverse global warming. Most national governments have signed and ratified the Kyoto Protocol aimed at reducing greenhouse gas emissions.

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In my opinion, I don't think the world could ever come to this, as technology suggests for the future. In time, I believe that we will be able to control the gas from the fossils burned, and soon lower the deforestation of our world.

What are your outlooks on global warming? Do you think it will ever be stopped. Could it be prevented?

Tgump · Jun 29, 2009

http://www.sythe.org/showthread.php?t=537541&highlight=global+warming
http://www.sythe.org/showthread.php?t=476793&highlight=global+warming
http://www.sythe.org/showthread.php?t=448460&highlight=global+warming
http://www.sythe.org/showthread.php?t=368166&highlight=global+warming

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