Opinion: Geoengineering is shockingly inexpensive

Despite decades of warnings and international climate agreements, global carbon emissions are still rising. Carbon emissions seem like an unstoppable juggernaut as energy-hungry humans keep breeding and pursuing more affluent ...

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.

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