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Nearly 200 national governments have committed to make cuts in greenhouse gas emissions in an ambitious global deal. But the task will in many ways fall to cities, states and provinces. Indeed, one of...

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The seizure of a Malheur National Wildlife Refuge building in southeastern Oregon by armed and self-styled “constitutionalists” was disturbing. To many it is viewed as a dangerous escalation in...

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Why are many people – including the militiamen occupying the Malheur National Wildlife Refuge in Oregon – angry that the federal government owns almost half of the land in the American West? We consulted...

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Congress last month extended valuable tax credits to producers of electricity from wind turbines and solar photovoltaic panels, a move that came as a relief to an industry that has experienced rapid growth...

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On December 23, 2015, two days before Christmas, the power grid in the Ivano-Frankivsk region of Ukraine went down for a reported six hours, leaving about half the homes in the region with a population...

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This October, a large leak was discovered at the Aliso Canyon natural gas storage facility in northwest Los Angeles. The leak is a serious health risk to nearby residents, and because methane – the...

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The year 2015 has proven to be another year of temperature records. Data released by NASA and NOAA (National Oceanic Atmospheric Administration) show that in 2015, the global mean surface temperature...

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January hurricanes are extremely rare events. But this year, two have already formed – Alex in the northeastern Atlantic last week, and Pali in the central Pacific, south of Hawaii, a few days earlier....

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We live in an urbanizing world. Up to two-thirds of the world’s population – some six billion people – may live in cities by 2050. Cities have emerged as first responders to climate change because...

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Many observers see race and class as factors in Flint, Michigan’s drinking water crisis. Earlier this week Flint’s mayor, Karen Weaver, said, “It’s a minority community. It’s a poor community....