The 50-50 argument

by Judith Curry

Pick one:

a)  Warming since 1950 is predominantly (more than 50%)  caused by humans.

b)  Warming since 1950 is predominantly caused by natural processes.

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Week in review

by Judith Curry

A few things that caught my eye this past week.

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JC interview with oilprice.com

by Judith Curry

As the global warming debate increases in its intensity we find both sides deeply entrenched, hurling accusations and lies at one another in an attempt to gain the upper hand. This divide within the scientific community has left the public wondering who can be trusted to provide them with accurate information and answers. – James Stafford

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Cause of hiatus found deep in the Atlantic Ocean

by Judith Curry

Rapid warming in the last three decades of the 20th century, they found, was roughly half due to global warming and half to the natural Atlantic Ocean cycle that kept more heat near the surface. When observations show the ocean cycle flipped, the current began to draw heat deeper into the ocean, working to counteract human-driven warming. – Chen and Tung

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No bodies

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.

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Institutionalizing Dissent

by Judith Curry

As many have argued, rigorous scientific research requires dissent, or what Robert Merton called “organized skepticism”. Yet it is increasingly the case that some forms of dissent in pharmaceutical research are either absent or unheard. – Justin Biddle

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Open thread

by Judith Curry

It’s your turn to introduce topics for discussion.