Climate change impacts

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.

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.

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?

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

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..

by Robert Ellison
There is a new paper that appeared last week in Science: Planetary boundaries: Guiding human development on a changing planet.

by Judith Curry
“Without significant cuts in emissions by all countries, and in key sectors, the window of opportunity to stay within less than 2 degrees [of warming] will soon close forever.” – UN Secretary-General Ban Ki-Moon

by Rud Istvan
One of the firmer catastrophic anthropogenic global warming (CAGW) predictions made by IPCC AR4 WG2 was an alarming increase in species extinctions.

by Judith Curry
“He who knows only his own side of the case, knows little of that.”  – John Stuart Mill

by Judith Curry
[H]ow we meet the needs and aspirations of all of humanity while sustaining the planet’s ecology, is what the Anthropocene is all about. – Keith Kloor