The Fort Collins City Council voted to ban fracking within city limits. Colorado Gov. Hickenlooper says the move is illegal and the state will sue.
Rep. Ed Orcutt sends a testy note to a bike shop owner, claims cyclists are a significant cause of CO2 pollution.
Bike advocates say the law would apply even "if you get hit by a drunk city employee."
Pollution from volcanoes has been reflecting heat away from Earth, slowing global warming, a new study suggests.
Americans overwhelming support policies like banning big sodas and subsidizing fruits and veggies, according to a new poll.
The company says it'll spend $6.5 million over five years to help Guatemalan farmers grow more sustainable beans.
Australia's Climate Commission says global warming caused its harsh summer of record-breaking heat, floods, and bushfires.
Agricultural poisons are reducing the quality and quantity of sperm in men all over the globe, especially farm workers, according to a new study.
Some New Yorkers fight back against transit austerity by giving each other free subway card swipes.