In the meantime, the amount of CO2 in the air is rapidly approaching the limits proposed by the Intergovernmental Panel on Climate Change (IPCC).

与此同时，空气中的二氧化碳含量正迅速接近政府间气候变化专门委员会（IPCC）提出的上限。

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The IPCC, or Intergovernmental Panel on Climate Change, is the U.N. body whose lengthy reports are supposed to be the gold standard for what the world knows about climate change.

WSJ: Review & Outlook: A Climate Absolution?

Mrs Merkel backed the idea of forming a scientific panel to collate and assess research on biodiversity loss, as the Intergovernmental Panel on Climate Change (IPCC) assesses evidence on climatic indicators.

BBC: World's biodiversity 'crisis' needs action, says UN

He sides with his father, an eminent climate scientist, in believing that the consensus view of climate change, as set forth by the Intergovernmental Panel on Climate Change (IPCC), understates human influence on the climate.

ECONOMIST: Climate change