Trumped up climate history is bunk
▻http://us6.campaign-archive2.com/?u=6e13c74c17ec527c4be72d64f&id=bff947d060&e=08052803c8
Trumped up climate
history is bunk
Despite overwhelming historical evidence that human-induced climate change is happening now, Donald Trump is apparently still refusing to face the facts.
By Tim Radford
LONDON, 16 November, 2016 − China can proudly claim many inventions − but certainly not the concept of global warming that US president-elect Donald Trump has accredited to it.
When Trump wrote on Twitter on 6 November, 2012, that “the concept of global warming was created by and for the Chinese in order to make US manufacturing non-competitive”, he was either ignoring or ignorant of the hard historical facts.
In 1859, scientist John Tyndall calculated the capacity of atmospheric gases – among them water vapour, carbon dioxide and methane − to absorb infrared radiation.
In 1896, Swedish scientist Svante Arrenhius formulated a relationship between levels of the greenhouse gas carbon dioxide in the atmosphere and changes in temperature.
In 1938, British engineer Guy Stewart Callendar looked at the relationship between carbon dioxide and temperature, and confirmed Arrhenius’s calculations.
In 1958, Charles David Keeling, of the Scripps Institution of Oceanography in the US, started measuring carbon dioxide concentrations in the atmosphere at one location – at 3,400 metres altitude on the Hawaiian volcano Mauna Loa.
In 2001, US president George W Bush awarded Keeling the President’s National Medal of Science.
What is now called the Keeling Curve describes the steady rise of CO2 in parts per million in the last six decades.The ratio before the Industrial Revolution is put at around 280ppm. It is now at or above 400ppm.