"...Over the past couple of years, the number of monarch butterflies that reach the Mexican sanctuaries has been declining, generating concern among rural communities that rely on spillovers of butterfly tourism activities, as well as entomologists, biologists, ecologists and monarch aficionados around the world. ..."

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"Energy subsidies cost governments from the U.S. to Egypt $1.9 trillion, discourage private investment and help wealthy consumers more than the poor, according to a study by International Monetary Fund staff."

"The Arctic Ocean reached the most frozen it's going to get this year on 13 March. Now the melt season begins, predicts the National Snow and Ice Data Center (NSIDC). The seasonal stats were gloomy. The max sea ice area of 2013 was was 5.84 million square miles (15.13 million square kilometers). That's the sixth lowest extent on record and a whopping 283,000 square miles (733,000 square kilometers) below the 1979 to 2000 average maximum."

"Snow-surveying crews across the Sierra are seeing bad news up close this week. California has about half a snowpack."

"WASHINGTON -- The Obama administration on Tuesday announced a nationwide plan to help wildlife adapt to threats from climate change."

"CARLSBAD, N.M. -- Just after the local water board announced this month that its farmers would get only one-tenth of their normal water allotment this year, Ronnie Walterscheid, 53, stood up and called on his elected representatives to declare a water war on their upstream neighbors."

"By the time today's K-12 students grow up, the challenges posed by climate change are expected to be severe and sweeping. Now, for the first time, new federal science standards due out this month will recommend that U.S. public school students learn about this climatic shift taking place."

"President Barack Obama's plan to use federal agencies, and the Environmental Protection Agency in particular, to drive his second-term climate change agenda might be in peril if he cannot fill vacant seats on the federal court that has jurisdiction over major national regulations, legal experts say."

"NOAA predicts tough spring for already struggling farmers as growing demand for water leaves US more exposed dry seasons."

"Polar bears' territorial tendencies and the diminishing ice season on Hudson Bay are conspiring to leave the animals less time to eat, researchers say. This bodes ill for their ability to reproduce, and survive."

Powerful Atlantic storms threaten long-settled areas on a Massachusetts barrier island.

"The number of Atlantic storms with magnitude similar to killer Hurricane Katrina, which devastated the U.S. Gulf Coast in 2005, could rise sharply this century, environmental researchers reported on Monday."

"Missouri Republican Sen. Roy Blunt said on Monday that he is placing a hold on Gina McCarthy, President Obama’s pick to run the Environmental Protection Agency, which could delay a full Senate vote on the nominee."

"The Obama administration is leaning toward revising its landmark proposal to regulate greenhouse gas emissions from new power plants, according to several individuals briefed on the matter, a move that would delay tougher restrictions and could anger many environmentalists."

"WASHINGTON, DC -- Hunters and anglers from across the United States are concerned about the impact of climate change on wildlife and natural resources and also on the U.S. hunting and angling economy, worth roughly $120 billion a year."