The US EPA have finally declared that greenhouse gases are a threat to public health. But will this have any effect on how Copenhagen talks? Grist experts weigh in.
Environmental Protection Agency
Obama’s green achievements, 100 days in
Grist grades Obama’s environmental record at 100 days in office.
US Congress considers new clean-air laws
The Obama administration may impose tough new regulations for motor vehicles and many industrial plants to limit their release of climate-changing pollution.
How much CO2 makes a Manildra biofuel?
A new US biofuel standard may spell trouble for the local industry.
State of the planet
Climate change threatens historic monuments … Climate change sceptics criticise polar bear science … Liberal attacks PM on climate change … China to ban ozone-depleting CFCs … Western consumption may cause famines
