The Effects of Global Warming on Polar Bears

The Effects of Global Warming on Polar Bears

Polar bear numbers are expanding The Effects of Global Warming on Polar Bears has been quite significant. “A main Canadian power on polar bears, Mitch Taylor, said: ‘We’re seeing an increment in bears that is truly phenomenal, and in spots where we’re seeing an abatement in the populace it’s from chasing, not from environmental change.’” (Scotsman.com) Polar bears are found […]

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Heat is heading for new extremes

Heatwaves that used to arrive once every 20 years or so could become annual events by 2075 across almost two-thirds of the planet’s land surface – if humans go on burning ever more fossil fuels and releasing ever more greenhouse gases. Claudia Tebaldi, visiting scientist at the US National Center for Atmospheric Research, and Michael Wehner, senior staff scientist at […]

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Climate report offers a grim forecast

What happened A United Nations panel of the world’s leading environmental scientists issued its most dire warnings on the dangers posed by climate change, saying global warming is already affecting every continent and threatens to devastate food supplies, cause mass extinctions of plants and animals, worsen droughts, and raise the risk of wars over resources. The longer society holds off […]

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The Missing Heat – Global warming hits plateau

The Missing Heat - Global warming hits plateau

Global warming hits plateau. . . What does that mean for the threat of catastrophic climate change? Why has the warming trend slowed? Climatologists aren’t sure. What they do know is that the average air temperatures at the earth’s surface have risen only about 0.2 degrees Fahrenheit since 1998—the hottest year of the 20th century—even as humanity has continued to […]

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Ancient Ecosystem Response To Mass Extinction

Ancient Ecosystem Response To Mass Extinction

As the planet faces the dawn of a sixth mass extinction, scientists are searching for clues about the uncertain road ahead by exploring how an ancient ecosystem collapsed and bounced back from traumatic upheavals. A new study follows the lengthy collapses and revival of South African ecosystems during one of the “big five” mass extinctions, the Permian-Triassic event, revealing unexpected […]

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