
The field of climate science is under duress, which is wholly different than saying it's discredited. While recent headlines about the woes of U.N.-led efforts to assemble a comprehensive picture of the science have caused gleeful headlines on The Drudge Report and other skeptical media outlets, the vast weight of the evidence -- from melting glaciers to warming oceans to satellite temperature readings, and much more -- still points to a changing climate caused by human activity.
So why have we heard so much lately about climate-science controversies? One reason is that the stakes are incredibly high: On the one hand, mainstream climate scientists and environmental advocates who believe that there are severe consequences to failing to curb greenhouse-gas emissions; on the other, a loose coalition of skeptical or contrarian scientists, conservatives, industry interests, and outright cranks who may disagree on specific issues, but tend to believe the costs, economic and otherwise, of acting are staggering.
The second reason may be something of a bunker mentality evident at some top climate-research centers. In part because criticisms are so strident, some inside the system have complained that decisions are made by a relatively small circle of mutually supportive insiders. There have been complaints of articles being kept out of scientific journals, or peer comments that haven't been adequately considered. Most reporters aren't qualified to make individual scientific assessments, so they have to take some of what scientists, or their detractors, say at face value. But it is clear that the tensions are running high, and a troubling sense of hostility has long since polarized the debate, even as the real-world evidence of climate change has piled up.
Climate skepticism covers a broad range of views. A first group -- call them the professionals -- has often raised legitimate questions, whether about methodology and transparency, and stuck more or less to a scientific critique about different aspects of climate science. And then there are the shouters, who don't add much more than sensationalism, confusion, and outright deception to the debate. To sort out the noise from the serious concerns, FP is here to help.
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