As world leaders prepare for October 31’s COP26 climate summit, AFP Fact Check examines a number of current allegations concerning the existence of man-made global warming.

Some denounce the crisis as a hoax by scientists to justify their research funding, or even as a conspiracy by governments to control the human population.

If so, it would have to be an extremely complex matter co-ordinated by successive governments in dozens of countries with an enormous number of scientists.

Tens of thousands of peer-reviewed studies of public domain have resulted in an overwhelming scientific consensus that anthropogenic global warming is real.

The Panel on Climate Change (IPCC) is not the largest such source.

As evidence has emerged that unusual warming is taking place, some skeptics acknowledge that it is, but deny that that is due to carbon emissions that man has caused when burning fossil fuels.



Intergovernmental Panel on Climate Change

The Intergovernmental Panel on Climate Change is an intergovernmental body of the United Nations responsible for advancing knowledge on human-induced climate change. (wikipedia)


Effects of climate change

The effects of climate change span the physical environment, ecosystems and human societies. They also include the economic and social changes which stem from living in a warmer world. (wikipedia)


Cornell University

Cornell University is a private Ivy League and statutory land-grant research university, based in Ithaca, New York. Founded in 1865 by Ezra Cornell and Andrew Dickson White, (wikipedia)


Donald Trump

Donald John Trump is an American politician, media personality, and businessman who served as the 45th president of the United States from 2017 to 2021. Born and raised in Queens, New York City, (wikipedia)

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IPCC Fifth Assessment Report

The Fifth Assessment Report of the United Nations Intergovernmental Panel on Climate Change is the fifth in a series of such reports and was completed in 2014. As had been the case in the past, (wikipedia)


Climate change

Climate change includes both human-induced global warming and its large-scale impacts on weather patterns. There have been previous periods of climate change, (wikipedia)