Chemistry Nexus

by WebElements: the periodic table on the web

The observation that soot makes global warming “worse” is well covered today. The BBC covers this – largely because it appears that soot is more important for global warming than realised earlier. Dr James Hansen and Larissa Nazarenko, (Goddard Institute for Space Studies, NASA, and Columbia University Earth Institute) suggest that trying to reduce the amount of soot produced would be easier than cutting carbon dioxide and other greenhouse gas emissions.

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December 9th, 2009

Posted In: Atmospheric chemistry, Chemistry, Environmental chemistry

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Here in the UK, Channel 4 just screened an interesting documentary. Good viewing and challenges what seems to have become the accepted view that global warming is caused by man-made CO2 emissions. Instead, the programme points out that climate change has always been with us (including a medieval warm period, even balmier than today, and a mini ice-age in the seventeenth century when the River Thames froze so solid that fairs were regularly held on the ice).

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March 12th, 2007

Posted In: Atmospheric chemistry, Chemistry, Environmental chemistry

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