EPA imposes first-ever restrictions on coal ash, citing air and water risks. Environmentalist blast rule as weak.
Dam breaks and tainted wells prompt a harder look at coal-ash dumps that escaped EPA oversight for years.
Obama preempts oil, gas drilling in Alaska’s Bristol Bay, citing risk of harm to salmon fishery
The deal commits all countries to addressing climate change but leaves many of the particulars unresolved.
Negotiators get nearer to an agreement in talks aimed at the preparing for a climate treaty in 2015.
Secretary of state attempts to reverse flagging momentum, saying urgent action is needed to prevent disaster.
The reporter’s family shared details of his worsening health and growing despair after 141 days in prison.
Two studies document a rapid retreat of West Antarctic ice, spurring concerns of rising global sea levels.
Officials met in the Peruvian capital to argue over the shape and cost of a future climate agreement.
Jailed for nearly a year on child-endangerment charges, Matthew and Grace Huang were blocked at the airport.