In a direct challenge to the positions and policies of the Trump administration, a leaked draft of a scientific report from 13 US federal agencies says there's no doubt humans are largely responsible for climate change. It warns of the stark consequences now and in the future.
A new oil pipeline from Alberta to British Columbia would cross native land and send more than six times as many tankers through crowded waterways between Vancouver and Seattle. That has people on both sides of the border vowing to fight.
Canada's Prime Minister Justin Trudeau promises to make steep cuts in climate pollution while still increasing the flow of dirty tar sands oil. It's a high-wire act that has him taking fire from both sides.
Cleveland ranks among the nation's top cities with the most preventable deaths related to air quality issues. Things are getting worse with climate change. Doctors and environmentalists see climate change as a public health crisis and an opportunity.