light pollution

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    Light Pollution Linked to Shrinking Eye Size in Birds

    Light Pollution Linked to Shrinking Eye Size in Birds

    In a new study, researchers have linked light pollution in urban areas to smaller eye sizes found in two common songbird species. Researchers studied the northern cardinal and Carolina wren that live year-round in San Antonio, Texas, a city with an estimated population of about 1,472,900 people, and compared these birds to the same two […]

    Montana Judge Cancels Gas Power Plant Permit Over Climate Concern

    Montana Judge Cancels Gas Power Plant Permit Over Climate Concern

    Climate concerns motivated a Montana judge to cancel the air quality permit for a controversial natural gas power plant.  The 175-megawatt NorthWestern Energy plant would have emitted more than 23 million tons of greenhouse gases over its 30-year or more lifespan — the equivalent of adding 167,327 new cars to the roads each year — something […]

    Philadelphia to Dim City Lights to Help Migratory Birds

    Philadelphia to Dim City Lights to Help Migratory Birds

    On the morning of October 2, Stephen Maciejewski, an Audubon Pennsylvania volunteer, expected to tally a few dead birds in Philadelphia during their peak migration season. But instead, he found hundreds of dead birds, CNN reported. “I’ve never seen anything like this,” Maciejewski told CNN in October. “There were birds everywhere, and they were all […]