"HATCH, N.M. -- In southern New Mexico, the mighty Rio Grande has gone dry -- reduced to a sandy wash winding from this chile farming community to the nation's leading pecan-producing county. Only puddles remain, leaving gangs of carp to huddle together in a desperate effort to avoid the fate of thousands of freshwater clams, their shells empty and broken on the river bottom."

"The Environmental Protection Agency issued a sharply critical assessment of the State Department's recent environmental impact review of the controversial Keystone XL pipeline, certain to complicate efforts to win approval for the $7-billion project."

"CLEARWATER -- Despite warnings from scientists, rising sea levels still seem little more than a distant, imperceptible threat, a phenomenon whose change is measured in centimeters over decades."

"WASHINGTON -- A dozen states and cities and three major environmental groups have notified the Environmental Protection Agency that they plan to sue the regulator unless it issues final rules limiting greenhouse gas emissions from new power plants."

"WASHINGTON, DC -- Support for global action to curb climate change is growing stronger within the G8 group of the world’s largest industrial democracies, which includes the United States and Japan."

"LONDON -- The development of low-carbon energy is progressing too slowly to limit global warming, the International Energy Agency (IEA) said on Wednesday."

"MOSCOW — It was once protected by ice. Now regulation will have to do the work."

"After a generation of effort, New England's waters are clean enough to support an oyster industry. But climate change could undermine those gains."

The 2013 Pulitzer Prize for National Reporting went to InsideClimate News, a 5-year-old web-only nonprofit, for its book-length feature series on the 2010 Enbridge tar-sands oil spill that fouled miles of Michigan's Kalamazoo River. InsideClimate has been one of the most aggressive media outlets covering the current spill in Mayflower, Arkansas. ExxonMobil recently threatened one of InsideClimate's reporters with arrest for trying to find a federal government press office handling the spill.

"CANBERRA -- The summer ice melt in parts of Antarctica is at its highest level in 1,000 years, Australian and British researchers reported on Monday, adding new evidence of the impact of global warming on sensitive Antarctic glaciers and ice shelves."

"You might have been wondering whether the Obama administration was going to impose the first-ever greenhouse gas limits on new power plants, since the deadline is April 13."

"NOAA has issued a report on a small part of the recent brutal droughts that have hit the United States over the past few years. The report — 'An Interpretation of the Origins of the 2012 Central Great Plains Drought' — is needlessly confusing, scientifically problematic, and already leading to misleading headlines."

"PORTLAND, Maine -- Ocean temperatures have been higher than normal in the Gulf of Maine, creating worries among lobstermen that there could be a repeat of last spring's early harvest that resulted in a market glut, a crash in the prices fishermen get and a blockade of Maine-caught lobsters in Canada."

"WASHINGTON -- Last year's huge drought was a freak of nature that wasn't caused by man-made global warming, a new federal science study finds."

"Under proposed new national science standards, students would learn concepts more thoroughly, including how human activity is driving global warming."