The Columbia River in Oregon and Washington is usually teaming with hundreds of thousands of sockeye salmon this time of year, but warming waters have wiped out nearly 50 percent of this year’s population – and it could get worse.
May 4, 2010
WEST LAFAYETTE, Ind. – Reasonable worst-case scenarios for global warming could lead to deadly temperatures for humans in coming centuries, according to research findings from Purdue University and the University of New South Wales, Australia.
Researchers for the first time have calculated the highest tolerable “wet-bulb” temperature and found that this temperature could be exceeded for the first time in human history in future climate scenarios if greenhouse gas emissions continue unabated.