Climate Changes

Several stories on the science and politics of global warming caught our attention this week:

PG&E Corporation Chairman, CEO and President Peter Darbee and Carnegie Institution climate change expert Christopher Field released a short whitepaper for business leaders and policy makers on the scientific and economic issues central to the current conversation on global climate change and the need for a response by government and business. “My hope is that it serves to inform and engage more leaders in this issue and, ultimately, helps drive the adoption of smart climate and energy policies for our country,” said Darbee.

Want to see scientific evidence supporting global warming? There’s an app for that. Australian solar physicist John Cook of Skeptical Science has created an iPhone app that includes numerous climate skeptic arguments as well as the science-based counterarguments. So far, there are 90 climate skeptic arguments included and, of course, the scientific responses to those. You can see graphs and links to scientific papers or other sources in there as well. Cook calls the app “imperative” to the climate debate and “pretty cool.”

The non-partisan United States Geological Survey recently reported that the ice shelves on the southern Antarctic Peninsula have been retreating at an increased pace threatening coastal communities and low-lying islands worldwide. Scientists claim the pattern could lead to further accelerated glacier retreat on the continent and ultimately, sea level rise. Scientific data shows every ice front in this section of the peninsula has been retreating from 1947 to 2009, but the most dramatic changes have come since 1990.

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"PG&E" refers to Pacific Gas and Electric Company, a subsidiary of PG&E Corporation.
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