The problem, said the report, is that offset schemes are delivering much lower greenhouse gas cuts than the science says are needed to avoid catstrophic climate change.

报告指出，碳抵消计划的问题在于，它减少的温室气体比科学家所说的避免灾难性气候变化所需的量要小的多。

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The advantage of this report is that it turns the problem of climate change on its head by asserting the need to act to avoid a major economic crisis (a 20 % drop in production).

本报告好在它将气候变化作为首要问题，强调必须采取行动避免出现生产总值下降20 %的重大经济危机。

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For a problem report, set severity of the change (see Table 1).

对于已报告的问题设置变更的严重性(见表1)。

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