On Friday, the U.N. climate panel, the Intergovernmental Panel on Climate Change (IPCC), produced its first overview in six years. It wasn’t about panic and catastrophe, which unfortunately has dominated our climate debate, leading to expensive but ineffective policies.
The IPCC is now extremely certain that more than half of the past six decades’ temperature rise was caused by man. But it does not support the scary scenarios of temperature rises of 9°F or more bandied about by activists — the likely rise over the 21st century is about 1.8°F to 6.7°F. Similarly it makes short shrift of alarmist claims that sea levels will rise 3 ft. to 6 ft. In reality, the IPCC estimates the rise by the end of the century at 1.5 ft. to 2 ft.
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