Related topics: climate change · climate

Progressive climate policy poised to pass in Oregon

Oregon is on the precipice of becoming the second state after California to adopt a cap-and-trade program, a market-based approach to lowering the greenhouse gas emissions behind global warming.

What drives Yellowstone's massive elk migrations?

Every spring, tens of thousands of elk follow a wave of green growth up onto the high plateaus in and around Yellowstone and Grand Teton national parks, where they spend the summer calving and fattening on fresh grass. And ...

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