Copper, Gold or Fish: How a Massive Mining Project is Threatening the World’s Largest Salmon Habitat  

BRISTOL BAY, ALASKA —“Waterfall!” Rick Halford’s voice crackled over the communication system as he pointed the nose of his Cessna 185 floatplane toward the river below. My stomach did a backflip as the plane plummeted, and for a moment I forgot why the former Alaska State Senator was giving my photographer and me a…

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Welcome to the Climate Prediction Market, Where Scientists Put Money on the Future

In an appearance on Real Time with Bill Maher, astrophysicist Neil deGrasse Tyson challenged former GM executive — and ardent climate denier — Bill Lutz to a bet. “You take all the scientists who author these papers, get them to pool their money and invest in companies that would benefit from global warming,” said…