"ANGELICA, N.Y. — Questions about the integrity of official water tests are stirring the latest controversy over New York State’s embattled policy of allowing imports of radioactive waste from natural gas drilling operations in Pennsylvania."

"For auto companies, that Environmental Protection Agency-approved MPG sticker on a new car is a high stakes and expensive process. These days it can be damaging to a company's image if customers can't achieve that great fuel economy in their own commutes."

"Jimmy Carter put up solar panels in 1979, then Ronald Reagan took them down in 1986. Now the Obama administration is fulfilling a long-delayed promise to put solar panels back on the White House."

"MIDLAND, Mich. -- As Dow Chemical’s chief executive, Andrew N. Liveris has made himself into something of an outcast among his fellow business leaders. The reason? He is spearheading a public campaign against increased exports of natural gas, which he sees as a threat to a manufacturing renaissance in the United States, not to mention his own company’s bottom line."

"Pending greenhouse gas regulations cloud the future of coal-burning power plants. But electric utilities are investing to keep large facilities going."

"A new law meant to stabilize the federal government's money-losing flood-insurance program is starting to send rates sky high, prompting a growing backlash in coastal areas."

"The Biggert-Waters law, enacted in 2012 before superstorm Sandy hit the Eastern Seaboard, requires that government insurance premiums for the 5.6 million property owners in flood-prone regions be set at a level that better reflects the full risk of flooding. It was prompted by cumulative losses that had ballooned to $24 billion for the National Flood Insurance Program.

"The summer of 2013 has been another severe fire season for the United States, a trend that has insurance companies bracing for a new normal: higher rates of property damage as Americans move to wildfire-prone areas in ever greater numbers."

"Environmental Protection Agency chief Gina McCarthy said natural-gas production — with the right safeguards -- is a major piece of Obama administration efforts to combat global warming."

"WASHINGTON -- About 200 environmental activists gathered in front of the State Department Monday morning to protest the proposed expansion of the Keystone XL pipeline through the midwestern United States."

"Finally, some good news about the effects of climate change. It may have triggered a growth spurt in two of California's iconic tree species: coast redwoods and giant sequoias."