Set up under the auspices of the UN to establish a scientific consensus on climate change, the IPCC has produced vast reports on the current state of knowledge on the subject every four years or so.

• 由联合国发起建立的政府间气候变化专业委员会，目的是要对气候变化达成一个共识，每四年左右根据已有的研究成果，对全球气候变化提出科学的评价报告。