US haze from Canada fires rare and extreme event: expert

The air pollution swamping the northeast United States this week from smoke spewed by fires in Canada is "exceptionally rare" and "extreme", said Ryan Stauffer, a NASA scientist specializing in air pollution.

Heat wave and wildfires scorch east Canada

Eastern Canada sweltered under a record-breaking heat wave on Thursday that risked inflaming wildfires ravaging the Atlantic coast and other parts of the country with "unprecedented" ferocity and scale.

Atypical 'mad cow disease' case detected in US

US health officials have detected an atypical case of "mad cow disease" in a beef cow at a slaughter plant in the state of South Carolina, they announced Friday.

Ranchers fear for livestock as Canada wildfires rage

Rancher BJ Fuchs hasn't been able to let his guard down as wildfires advanced in Canada's Alberta province, so far sparing his farm in Shining Bank but scorching forests and grasslands all around it.

Western Canada seeks urgent help to fight wildfires

Canada struggled on Monday to control wildfires that have forced thousands to flee, halted oil production and razed towns, with the western province of Alberta calling for federal help.

page 8 from 40