"A major new federal report warning the United States could warm up to 10 degrees Fahrenheit by the end of the century if global greenhouse gas emissions continue to rise has renewed hope among environmental groups that President Obama will make climate change a priority in his second term."

"A storm moving up the Mississippi River valley will help replenish the river, low in parts from drought, and ease concerns that shipping could be halted along a shallow stretch from St. Louis to Cairo, Illinois."

"The consequences of climate change are now hitting the United States on several fronts, including health, infrastructure, water supply, agriculture and especially more frequent severe weather, a congressionally mandated study has concluded."

"AUSTIN, Tex. — There is usually no shortage of controversial and politically divisive issues for lawmakers to address in the opening days of a state legislative session, from abortion to immigration to gun rights. But throughout the opening of the 83rd Texas Legislature last week, one of the most frequently discussed topics had bipartisan support: improving the state’s water infrastructure as the population booms and a devastating two-year drought drags on."

"The world could avoid much of the damaging effects of climate change this century if greenhouse gas emissions are curbed more sharply, research showed on Sunday."

"Risk experts are concerned that the twin threats of economic upheaval and accelerating climate change could collide over the next decade, delaying crucial adaptation efforts while exposing nations to unpredictable financial loss from disasters."

"The government declared much of the central and southern Wheat Belt a natural disaster area on Wednesday due to persistent drought that imperils this year's winter wheat harvest."

"A look back on a landmark study, weird weather, Greenland's ice sheet melt, and other highlights that shaped climate change science news last year."

"The year 2012 was the warmest on record for the contiguous United States, beating the previous record by a full degree in temperature, a government climate agency said on Tuesday."

"The drought that ravaged U.S. corn and soybean crops and spurred record prices may persist, threatening a recovery in production this year that’s needed to bolster global inventories, according to forecasters."

"Representative Jack Kingston (R-GA), the incoming chair of the U.S. House of Representatives panel that controls the budget of the National Institutes of Health (NIH), has a long-standing reputation as a conservative budget hawk intent on reducing government spending. He's also known for being skeptical that humans are contributing to climate change and for rejecting Charles Darwin's theory of evolution by natural selection. But although that record might make many scientists anxious, his reputation as an inside operator who understands the importance of funding research makes many science boosters breathe a little easier. "

"There are signs that climate-change coverage is poised for a rebound after three years of decline, experts say, but the media continue to pay it scant attention, and a lot would need to happen in 2013 to change that."

"After a strategy of 'climate silence' during president's first term, activist groups signal intent to be more vocal in next four years."

"PERTH, Australia -- Australian police and defense forces searched burned-out vehicles and homes in the towns worst hit by wildfires on the island of Tasmania, where more than 40 fires still raged on Sunday."

"A new commission formed by Gov. Andrew M. Cuomo, charged with figuring out how New York should adapt in the long term to cope with worsening storms amid climate change and population growth, has recommended an extensive menu of programs: it includes turning some of the state’s industrial shoreline back into oyster beds, hardening the electric and natural gas systems, and improving the scope and availability of insurance coverage, according to a draft version obtained by The New York Times."