Cutting carbon

A strategy to stabilize the atmosphere
In the last year or so, the data about climate change has grown steadily darker. The scale and the pace of global warming seem larger and faster than we realized even a few years ago. Perhaps the most powerful proof was the rapid melt of Arctic sea ice last summer. By the time the long Arctic night descended in October, the Northwest Passage had been wide open for weeks, and the old record for minimum sea ice had been broken by 25 percent, a result so off the charts that scientists were shaken.


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