
Mexico City lifts pollution alert
Mexico City on Thursday lifted a three-day-old pollution alert that had kept nearly half the city's 5.5 million vehicles off the streets. ... more
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Airlift for 1000s trapped by Canada fires; long wait to return home
Canada on Thursday began airlifting to safety up to 25,000 people from the city of Fort McMurray forced from their homes by raging forest fires in Alberta's oil sands region. ... more
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Arrival of US aircraft carrier fuels Venezuelan fears of attack
Russia offers US nuclear talks in bid to ease tensions
US-China tensions weigh on Lisbon's Web Summit
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'Catastrophic wildfires' force thousands to flee in Canada
Raging wildfires pressed in on the Canadian oil city of Fort McMurray Thursday after more than 80,000 people were forced to flee, abandoning fire-gutted neighborhoods in a chaotic evacuation. ... more
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Four rescued six days after Kenya building collapse
Four people were pulled alive Thursday from the rubble of an apartment block that collapsed six days ago when heavy rains hit Nairobi, causing floods and landslides in the Kenyan capital. ... more
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A new resource to help manage billbugs in turfgrass
Billbugs, a type of weevil that is found from southern Canada to Mexico as well as parts of the Caribbean, are a major pest of turfgrass, a crop that brings in tens of billions of dollars in annual ... more
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Reef system with 10,000 km2 found at the Amazon River mouth
The changes that the Amazon River promotes in the tropical North Atlantic ocean water make an unfavorable environment for reef development. Every second, 175 million liters of water mixed with sedim ... more
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UN's Ban says time to scale up action on climate change
UN Secretary-General Ban Ki-moon on Thursday said action on climate change must be faster and broader to turn the promises of the Paris deal on combatting global warming into concrete measures. ... more
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