Science Quote by Naomi Oreskes

Concentration of greenhouse gases, especially CO2, have increased substantially since the beginning of the industrial revolution. And the National Academy of Sciences indicates that…

— George W. Bush

These proven positive consequences of elevated CO2 are infinitely more important than the unsubstantiated predictions of apocalypse that are hypothesized to result from global…

— Keith E. Idso

There appears to be a lot of confusion about the biological benefits of elevated CO2 because the popular media typically fails to report them.…

— Keith E. Idso

The concentration of atmospheric carbon dioxide has changed greatly since fossilized life began on Earth nearly 600 million years ago. In fact, there is…

— Greg Benson

I am not a global warming sceptic. I accept that rising human-caused CO2 from fossil sources could 'change the climate'. The basic physics is…

— Chris de Freitas

I have never met a geologist or leading scientist who believes adding more carbon dioxide to the atmosphere will have any significant effect on…

— Gina Rinehart

We are still learning how exactly the Earth reacts to increased CO2 and other greenhouse gases. We know it leads to warming seas which…

— Graciela Chichilnisky

The warming we've experienced in the late 20th century could just as easily be explained by small decreases in cloud cover - natural changes…

— Willie Soon

If we don't start thinking big about the CO2 problem, we may miss our opportunity to stop a climate runaway that will trash the…

— William H. Calvin

... The reality is that atmospheric CO2 has a minimal impact on greenhouse gases and world temperature. Water vapor is responsible for 95 percent…

— Walter Cunningham

I am not at all convinced that human emissions of CO2 are adding to global warming.... I remain to be convinced about the theory…

— Nick Minchin

The science is clear that there is an increase in the amount of CO2 in the atmosphere. What is not clear from the science…

— Jim Sensenbrenner