Category Archives: Climate change impacts

Rise in CO2 has greened planet Earth

by Judith Curry

We show a persistent and widespread increase of growing season integrated LAI (greening) over 25% to 50% of the global vegetated area, whereas less than 4% of the globe shows decreasing LAI (browning). Factorial simulations with multiple global ecosystem models suggest that CO2 fertilization effects explain 70% of the observed greening trend. – Zhu et al.

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George Washington’s winters

by Judith Curry

Frozen rivers, knee-deep snows, sleet, frigid temperatures, and other winter miseries helped shape the story of George Washington’s life.

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NOAA fails walrus science

by Jim Steele

NOAA’s Arctic report card made claims that hinge on the unproven hypothesis that a reduction in sea ice is detrimental by denying walruses access to foraging habitat.

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Risk assessment: What is the plausible ‘worst scenario’ for climate change?

by Judith Curry

We know that climate change is a problem – but how big a problem is it? We have to answer this question before we can make a good decision about how much effort to put into dealing with it.

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Heat waves: exacerbated by global warming?

diby Judith Curry

Western Europe is on track for a potential record breaking heat wave.  Should any of this be blamed on human-caused global warming?

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Did human-caused climate change lead to war in Syria?

by Chip Knappenberger and Pat Michaels

Understand climate change did not cause the conflicts we see around the world. It’s now believed that drought and crop failures and high food prices helped fuel the early unrest in Syria, which descended into civil war in the heart of the Middle East – President Obama

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Pondering Nepal’s hazards

by David L. Hagen

Nepal just experienced a great 7.8 magnitude earthquake  on April 25th, 2015 with major (6.7 and 6.6 magnitude) aftershocks..

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