Among the suggestions, the UN recommended shifting to low-carbon energy methods to combat global warming.
Read more...Limits were also issued for natural gas emissions.
Read more...Lisa P. Jackson will leave her post at the beginning of Obama's second term.
Read more...FEATURE: Can CO2 be stored in the Earth’s crust safely?
Read more...SLIDESHOW: Environmentally friendly cars are out in force.
Read more...SPECIAL SERIES: Under The Influence -- Money and Politics.
Read more...Delegates exceed low expectations.
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