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Greenhouse gases are those gaseous constituents of the atmosphere, both natural and anthropogenic, that absorb and emit radiation at specific wavelengths within the spectrum of thermal infrared radiation emitted by the Earth’s surface, the atmosphere itself, and by clouds. This property causes the greenhouse effect.

Greenhouse gases are essential to maintaining the current temperature of the Earth; without them the planet would be uninhabitable.

Wikipedia Entry

• Raw, Unprocessed Cotton Can Be Used to Clean Up Oil Spills
  As long as industry and infrastructure relies on oil to function, there will be spills. Cleaning up such disasters, like the recent Mayflower, Arkansas rupture, can be costly and time consuming. Even the chemicals that are used to disperse and absorb...