Tuesday, 5 March 2019

The last great tree: a majestic relic of Canada's vanishing rainforest


The
Guardian
Spared by the loggers’ chainsaws, a Douglas fir perhaps 1,000 years old stands in splendid isolation on Vancouver Island. 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, ...