Greenland Ice Sheet albedo drops ‘off the bottom of the chart’ – but look closer as to why

Got this in the mail just as I posted my open thread announcemnt. I’m too busy this weekend to say much else except to post this tweet from Bill McKibben and some past blog excerpts and invite discussion. Bill McKibben ‏@billmckibben  The reflectivity of the Greenland ice sheet has…literally dropped off the bottom of the…

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Ocean seawater chemistry linked with periods of global cooling, sharp changes from greenhouse to icehouse climate

From the University of Toronto , something quite unexpected. Scientists connect seawater chemistry with climate change and evolution TORONTO, ON – Humans get most of the blame for climate change, with little attention paid to the contribution of other natural forces. Now, scientists from the University of Toronto and the University of California Santa Cruz…

Plants: An efficient green technology for cities

From the American Chemical Society Green plants reduce city street pollution up to 8 times more than previously believed Trees, bushes and other greenery growing in the concrete-and-glass canyons of cities can reduce levels of two of the most worrisome air pollutants by eight times more than previously believed, a new study has found. A…

Some thoughts on radiative transfer and GHG’s

Guest post by Reed Coray The following example illustrates the issues I have with reasoning often used to argue that increasing the amount of CO2 in the Earth’s atmosphere will increase both the Earth’s surface temperature and the Earth’s atmosphere temperature. Immediately following is a direct quote from URL http://www.school-for-champions.com/science/heat_transfer_earth.htm “The present situation is that…