• 1:03pm Feb 22, 2013
    National National Science Environment Health & Safety

    How Wood Smoke is Dirtying Alaska's Air

    In Fairbanks, Alaska, residents are using wood stoves to heat their homes during the frigid winter months. But, smoke created by these wood burners is contributing to some of the worst air pollution in the country. Cathy Cahill discusses air quality in the Last Frontier.
  • Dr. J. William Hirzy, a chemistry professor at American Universiy, rests outside the rally route with a graph he uses to teach his students about the relationship between atmospheric carbon dioxide and global temperature.
    Daniel M.N. Turner / NPR
    4:33pm Feb 20, 2013
    National National Science Politics & Government Environment

    Protesters Call On Obama To Reject Keystone XL Pipeline

    Tens of thousands of protesters turned out on the National Mall Sunday to encourage President Obama to make good on his commitment to act on climate change. The pipeline would carry tar sands oil from Alberta, Canada, to refineries on the coast of the Gulf of Mexico.
  • Jim Gandy, chief meteorologist for WLTX, in Columbia, S.C.
    Brian Dressler / Courtesy of WLTX
    5:31pm Feb 19, 2013
    National National Science Environment

    Forecasting Climate With A Chance Of Backlash

    A surprising number of TV weather presenters are vocal deniers of climate change, while others fear audience backlash if they talk about such a polarizing topic. But one meteorologist in South Carolina is waging a climate education campaign, and says it's going over well.
  • Daniel Riscoe, Jenna Hart, Anthony Chau and Caroline Lloyd (all students from the Peddie School in Hightstown, N.J.) carry donated Christmas trees across Island Beach.
    Adam Cole / NPR
    5:04pm Feb 15, 2013
    National National Science Environment

    After Sandy, Not All Sand Dunes Are Created Equal

    In New Jersey, thousands of discarded Christmas trees have dodged the wood chipper and hit the beach instead. They're being used to jump-start new dunes, but scientists warn that these man-made dunes could be less sturdy than dunes that form naturally.
  • Capt. Art Gaeten holds a blue shark that was caught during a research trip in Nova Scotia. Scientists are studying the impact of swordfish fishing methods on the shark population.
    Dean Casavechia for NPR
    1:19pm Feb 13, 2013
    Science Science Environment

    Is Sustainable-Labeled Seafood Really Sustainable?

    Industry demand for the "sustainable seafood" label, issued by the Marine Stewardship Council, is increasing. But some environmentalists fear fisheries are being certified despite evidence showing that the fish population is in trouble — or when there's not enough information to know the impact on the oceans.
  • The expanding University of Connecticut is looking at the Farmington River as a water source, but some say recent weather fluctuation paints an uncertain picture for the river.
    Neena Satija / WNPR
    11:03pm Feb 08, 2013
    National National Environment

    Growing University Highlights Connecticut's Water Woes

    One of the state's biggest public universities is expanding — and so is its demand for water. In a region where water resources are already strained by development and changing weather, the University of Connecticut's plans have sparked controversy and calls for a comprehensive water plan.
  • The team found one penguin chick that didn't make it.
    International Polar Foundation
    8:55pm Feb 08, 2013
    Science Science Environment

    Penguin Poop Leads Ice Researchers To Unknown Colony

    A team of researchers from the British Antarctic Survey stumbled upon some interesting satellite images in 2009: a trail of penguin poop that showed signs of a huge colony of emperor penguins. A team of researchers finally made it out to visit the 9,000-strong colony last December, marking the first human contact the animals had experienced.
  • Harlan County Lake, the Republican River's main reservoir in Nebraska, dropped 10 feet during the summer drought and hasn't recovered.
    Grant Gerlock
    7:28pm Feb 06, 2013
    National National Environment

    As Drought Intensifies, 2 States Dig In Over Water War

    The Republican River is crucial to the agricultural economy of several states in the West and Great Plains. But as a drought drags on, Kansas says Nebraska farmers have been taking more than their fair share of the river — and have asked the Supreme Court to weigh in.