Science

"More Americans than last year believe the world is warming and the change is likely influenced by the Republican presidential debates, a Reuters/Ipsos poll said on Thursday.

The percentage of Americans who believe the Earth has been warming rose to 83 percent from 75 percent last year in the poll conducted Sept 8-12.

U.S. Republican presidential candidates, aside from Jon Huntsman, have mostly blasted the idea that emissions from burning fossil fuels and other human actions are warming the planet.

"Taking on controversial claims that clouds are a main driver of temperature changes across the globe, a Texas A&M University atmospheric scientist finds evidence of cherry picking and errors. New findings published Tuesday appear to undermine a controversial study - oft-cited by those who downplay the human impacts of climate change - that claimed variations in cloud cover are driving temperature changes across the globe."

The Tevatron particle collider near Chicago -- once the largest such device in the world -- will be closing down this month. It is being superseded by the Large Hadron collider in Switzerland.

Nell Greenfieldboyce reports for NPR's Morning Edition September 6, 2011.

"The editor of the journal Remote Sensing resigned [Friday], saying in an editorial that his journal never should have published a controversial paper in July that challenged the reliability of climate models used to forecast global warming. The paper, by Roy Spencer and William Braswell of the University of Alabama in Huntsville, proposed that climate researchers have likely made a fundamental error by overestimating the sensitivity of the climate to greenhouse-gas pollution."