Other voices on climate change

Superimposed on this latest 100,000-year peak have been 6 secondary warming periods, each coincident with additional surges of carbon dioxide and methane, lasting about 200 years and then subsiding. Each of these previous warming periods was warmer than the current warming period, and current temperatures are below the median for the last 3000 years. Most remarkably, civilization first emerged in the Tigris, Euphrates and Nile River Valleys about 3400 B.C. in that period of great warming, and even more remarkably, each of these secondary surges of greenhouse gasses (none of human origin), has also been coincident with the rise of a major civilization.

To read the rest of this article by D. Bruce Merrifield from The American Thinker, click here.

The Arctic ice “is melting far faster than had been previously supposed,” we heard this week from the UN’s Environment Program, in releasing its 2009 Climate Change Science Compendium.

This same week, National Geographic reported that the Arctic ice is probably melting far slower than previously supposed. After ramping up the rhetoric — two years ago National Geographic told us that “the Arctic Ocean could be nearly ice-free at the end of summer by 2012, much faster than previous predictions,” and last year that “Arctic warming has become so dramatic that the North Pole may melt this summer” — National Geographic now advises that “the Arctic probably won’t experience ice-free summers until 2030 or 2040.”

If you’re confused by stats on Arctic melting, you have lots of company. Arctic stats are easy to misunderstand because the Arctic environment is unlike our own — the Arctic magnifies the changes we experience in the temperate regions. In summer, our days get longer and theirs get really, really long, just as in winter, when our days gets shorter, theirs all but disappear. By analogy, the Arctic also magnifies temperature variations, and resulting changes to its physical environment. Click for image In the Arctic, the ice has indeed been contracting, as the global warming doomsayers have been telling us. But it has also been expanding. The riddle of how the Arctic ice can both be contracting and expanding is easily explained. After you read the next two paragraphs, you’ll be able to describe it easily to your friends to set them straight.

For this rest of this article, click here.

I am a meteorologist with a life-long weather fascination. As I’m sure you know, meteorology is an inexact science due to the large number of variables involved in predicting and understanding the weather. I frequently say that weather forecasting is a humbling endeavor, and I have learned to respect its challenges. From this perspective, you might be able to better understand why I wince when hearing pronouncements such as “the science is settled”, “the debate is over”, or even the “the temperature in the 2050s is projected to be…” I realize that forecasting climate and weather are different, but both involve a large number of moving parts.

There are numerous reasons why I question the consensus view on human-induced climate change covered extensively on this blog by Andrew Freedman. But for this entry, I scaled them down to ten.

To read the rest of this entry by Washington Post meteorologist Matt Rogers, click here.

Physics professor William Happer GS ’64 has some tough words for scientists who believe that carbon dioxide is causing global warming.

“This is George Orwell. This is the ‘Germans are the master race. The Jews are the scum of the earth.’ It’s that kind of propaganda,” Happer, the Cyrus Fogg Brackett Professor of Physics, said in an interview. “Carbon dioxide is not a pollutant. Every time you exhale, you exhale air that has 4 percent carbon dioxide. To say that that’s a pollutant just boggles my mind. What used to be science has turned into a cult.”

“All the evidence I see is that the current warming of the climate is just like past warmings. In fact, it’s not as much as past warmings yet, and it probably has little to do with carbon dioxide, just like past warmings had little to do with carbon dioxide,” Happer explained.

Happer said he is dismayed by the politicization of the issue and believes the community of climate change scientists has become a veritable “religious cult,” noting that nobody understands or questions any of the science.

He noted in an interview that in the past decade, despite what he called “alarmist” claims, there has not only not been warming, there has in fact been global cooling. He added that climate change scientists are unable to use models to either predict the future or accurately model past events.

For the full interview with physicist William Happer from The Princetonian, click here.

Forecasts of climate change are about to go seriously out of kilter. One of the world’s top climate modellers said Thursday we could be about to enter one or even two decades during which temperatures cool.

“People will say this is global warming disappearing,” he told more than 1500 of the world’s top climate scientists gathering in Geneva at the UN’s World Climate Conference. “I am not one of the sceptics,” insisted Mojib Latif of the Leibniz Institute of Marine Sciences at Kiel University, Germany. “However, we have to ask the nasty questions ourselves or other people will do it.”

Few climate scientists go as far as Latif, an author for the Intergovernmental Panel on Climate Change. But more and more agree that the short-term prognosis for climate change is much less certain than once thought.

For the rest of this article from The New Scientist, click here.