Fracking, or hydraulic fracturing, is a controversial process for extracting natural gas from shale. Critics of fracking question the environmental and health effects of pumping thousands of gallons of water and chemicals underground.
The IPCC climate change advisory panel, stung by criticism that it ignored dissenting views, underwent an independent review of its management. Observers have called the report 'remarkably hard-hitting.'
A judge on Monday scheduled hearings in an Asian carp case for September – a move that will allow five Midwestern states to call on expert testimony. The five states are seeking to close two Chicago canals in a bid to stop Asian carp from entering the Great Lakes.
A new study recorded a slight dip in the amount of CO2 taken up over the past 10 years. If the trend continues, scientists say it could signal a tipping point in earth's ability to remove carbon dioxide from the atmosphere.