Climate change is the biggest and most controversial environmental issue of our times. Or rather, the cause of climate change is.
The fact that the Earth's climate has changed over its history - sometimes with cataclysmic consequences, called mass extinctions, for many of the planet's inhabitants - is not disputed. However, what has been the cause of fierce debate is whether or not human activity is currently causing a warming of the world.
Read more at http://www.earthtimes.org/encyclopaedia/environmental-issues/climate-change/#mLtEJQMfQE21y6F5.99
Article courtesy of Earth Times by Colin Ricketts
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