Effectsof Global Warming. Even slight rises in average global temperatures can have huge effects. Perhaps the biggest, most obvious effect is that glaciers and ice caps melt faster than usual. The meltwater drains into the oceans, causing sea levels to rise and oceans to become less salty.
Further Rosenfeld's recalculations mean fellow scientists will have to rethink their global warming predictions -- which currently predict a 1.5 to 4.5-degree Celsius temperature increase by the
Methaneis the next of the greenhouse gases which has the biggest effect on global warming (15%). This is generated by activities such as livestock production, agriculture, sewage treatment, natural gas and oil distribution ., coal mining, fuel use and is also given off from waste tips. It lasts an average of 12 years in the atmosphere.
Innorthern latitudes, wildfires actually are a symptom of the Earth's warming. 'We already see the initial signs of climate change, and fires are part of it," said Dr. Amber Soja, a biomass burning expert at the National Institute of Aerospace (NIA) in Hampton, Va. And research suggests that a hotter Earth resulting from global warming will
No "global warming" means Earth's average annual air temperature is rising, but not necessarily in every single location during all seasons across the globe. It's like your grades. If one semester you get all Bs and Cs, and the next you get all As and Cs, your grade point average rises, even though you didn't improve in every class.
Globalwarming is caused by the release of greenhouse gases such as carbon dioxide into the atmosphere. Greenhouse gases warm the atmosphere, and can cause other effects such as sea-level rise and changes in rainfall and storminess. Current levels of greenhouse gases in the atmosphere are unprecedentedly high.
CFCs contribution to global warming has been small. The atmospheric energy rise is the first step to warming. The atmospheric energy rise of CFCs since 1750 has been about 0.34 Watt/m2. By
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