“Atmospheric carbon dioxide is increasing, and human activity is the probable cause.” — Michael Crichton Copy Share Image
Research data on climate change do not show that human use of hydrocarbons is harmful. To the contrary, there is good evidence… — Frederick Seitz Copy Share Image
“Bill McKibben named his climate change advocacy group 350.org, because 350 ppm of atmospheric carbon dioxide is what Dr. James Hansen, former… — Bernie Sanders Copy Share Image
“Calculations by Plass (1956) indicate that a ten percent increase in atmospheric carbon dioxide would increase the average temperature by 0.36 degrees… — Bill McKibben Copy Share Image
“Since about 1850, twice as much atmospheric carbon dioxide has derived from farming practices as from the burning of fossil fuels (the… — Judith D. Schwartz Copy Share Image
The concentration of atmospheric carbon dioxide has changed greatly since fossilized life began on Earth nearly 600 million years ago. In fact,… — Greg Benson Copy Share Image
This treaty [Kyoto] is, in our opinion, based upon flawed ideas. Research data on climate change do not show that human use… — Frederick Seitz Copy Share Image
“Compare the air to a forest. When forest fires occur regularly, there is less fuel for any one fire, so the burns… — William Bryant Logan Copy Share Image