Pollution

The role of Canada’s boreal forest in global food security, and efforts to protect the priceless natural resource.
Fuel-efficient vehicle discounts for the London Congestion Charge might lower emissions, but not congestion. Julia Hawthornthwaite reports from London, England on the tighter requirements.
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After saving their land once from the Prosperity mine, the Tsilhqot’in First Nation in central BC are still fighting for their way of life against a second open-pit proposal.