The long-term effect of wildfires in Canada: Q and A

The most harmful air pollutant worldwide is fine particular matter. In Canada, the biggest natural source of this pollutant is wildfires. Winds can spread wildfire smoke over a wide area, affecting areas hundreds of kilometers ...

Island cores unravel mysteries of ancient Maltese civilisation

The mysteries of an ancient civilisation that survived for more than a millennium on the island of Malta—and then collapsed within two generations—have been unravelled by archaeologists who analysed pollen buried deep ...

French govt seeks new Renault boss, ditches Ghosn

The French government on Wednesday called for former Nissan chief Carlos Ghosn, who has spent the last two months in Japanese custody, to be replaced as chief executive of carmaker Renault.

Yes, climate change is making wildfires worse

Three powerful wildfires are blazing in California. By Friday morning, the Camp fire had burned 70,000 acres in 24 hours, destroying Paradise, a community of about 26,000 people north of Sacramento.

NASA image: Agricultural fires in India October 18, 2013

The Indian state of Punjab has two growing seasons—one from May to September and another from November to April. In November, Punjab farmers typically sow crops such as wheat and vegetables; but before they do that, farmers ...

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