Hansen’s evolving science: ‘In 1999, Hansen thought US had cooled dramatically since the 1930s, and that 1998 was much cooler than 1934’
'However, in the year 2000 Hansen and Tom Karl had a global warming epiphany, and took it upon themselves to rewrite all of US history and produce a warming trend – which no one else had ever seen...millions of temperature records collected over the previous two hundred years by thousands of individuals, either had to be ignored or adjusted to show warming'
