In a speech at the University of Oregon, James Hansen, NASA's chief atmospheric scientist, walks listeners thru the most recent geologic periods, and speaks to the commonly heard climate canard, "It's been hotter in earth's history before - so what's the big deal?'
What do we know about them?
Part of the panel discussion at COP24 in Katowice (Poland) December 4, 2018.
THE STORY of Climate State begun to evolve during the Bush years when you could see that we were heading into the wrong direction.
Music video by Bruce Cockburn performing If A Tree Falls.
By the year 2100 the average global temperature may rise by five degrees Celsius
Find out how the most spectacular cherry pick in the history of scientific argument is just part of a day's work for the professional deniers.
Arctic permafrost soils contain more accumulated carbon than all the human fossil-fuel emissions since 1850 combined.
The samples he has drilled out – in regions so remote that they cannot be accessed without a helicopter or a snow mobile – leave him in no doubt that the thawing of the earth’s permafrost is accelerating.
