National (U.S.)

"California is coming off of its warmest winter on record, aggravating an enduring drought in the most populous U.S. state, federal weather scientists said Monday."

"President Obama wants Americans to see how climate change will remake their own backyards — and to make it as easy as opening a web-based app."

"One of agricultural biotechnology’s great success stories may become a cautionary tale of how short-sighted mismanagement can squander the benefits of genetic modification. After years of predicting it would happen — and after years of having their suggestions largely ignored by companies, farmers and regulators — scientists have documented the rapid evolution of corn rootworms that are resistant to Bt corn."

"Below some of the world’s most expensive real estate, in the heart of Silicon Valley, pipes and pumps suck thousands of gallons of contaminated water every hour from vast underground toxic pools."

"The windy plains of Kansas could be a treasure trove in the nation's effort to harness clean energy, but a major proposal to move wind-generated electricity eastward is running into a roadblock: Farmers who don't want high-power transmission lines on their land."

"DE KALB, Miss. — Looming like a spaceship over pine and sweet-gum forest, the high-tech power plant under construction in rural Kemper County is a $5 billion wager on an energy future that includes coal."

A committee of the American Association for the Advancement of Science will today release a report warning of the effects of man-made global warming and urging quick action to slow it.

"You’ve used Google’s Street View to navigate unfamiliar cities. Now, you can use it to explore a river."

"Amid calls to free up crude oil exports from the United States, debate is brewing among the refining industry over whether to support or oppose the proposal."

"MANCHESTER, N.H. — In this small state with a very big legislature, the top official at the association for grocery stores knew he had a lot of people to convince about an important food-labeling bill. But he also had a lot of members on his side."