Newid hinsawdd - teledu heno
Earth: The Climate Wars
Sun 7 Sep, 9:00 pm - 10:00 pm 60mins
1/3. The Battle Begins
Dr Iain Stewart traces the history of climate change and uncovers the great unsung heroes of climate change science.
In the 1970s the world appeared to be falling apart: from acid rain to overpopulation, ecological concerns were at the fore. It was at this time that climate change first became a hot political issue - but it wasn't global warming that frightened scientists, it was the complete opposite: a new ice age. Iain Stewart examines how the scientific community managed to get it so wrong, and introduces 'Jason' - the secret organisation of American government scientists who wrote the first official report on global warming in 1979.
By the late 1980s global became a serious political issue, and it looked as if the world was uniting to take action. It turned out to be a false dawn, because in the 1990s global warming was transformed into one of the biggest scientific controversies of our age.
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