Tuesday, 26 February 2019

'We're sounding the alarm': half of Canada's chinook salmon endangered


THE Guardian
A chinook salmon. Photo by US Fish & Wildlife Service.
Prospects for species look dire as federal science body finds that only one of Canada's16 populations is believed to be stable. STORY HERE.

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Agriculture replaces fossil fuels as largest human source of sulfur to the environment

PHYS ORG A PinP photo. Historically, coal-fired power plants were the largest source of reactive sulfur, a component of acid rain, ...