Back to the future

Article Abstract:

The influence of the geographical arrangement of the continents and the atmospheric carbon dioxide on the warm global temperatures in the Cretaceous period was examined. A general circulation model called GENESIS was used for the analysis. A mean global cooling of 0.2 degrees Celsius was determined for the changing from present-day to Cretaceous geography. Furthermore, it is suggested that the climate sensitivity to doubling of atmospheric CO2 is near 4.5 degrees Celsius.

Analysis, Geology, Stratigraphic, Stratigraphy, Greenhouse effect, Paleoclimatology, Cretaceous period

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Breaking up is hard to do

Article Abstract:

An extensive new study of the transition from stratocumulus to cumulus clouds reveals a more complex mechanism than was thought, with a transition zone between the two types where cumulus clouds appeared to form beneath or within the stratocumulus layer. The formation may be due to solar heating. This melange did not appear in dirty air from industrial regions, indicating one more way that air pollution may affect cloud formation and the climate.

Cloud physics, Clouds

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The team captain

Article Abstract:

The reminescences of Rajendra Pachauri, chairman of the Intergovernmental Panel on Climate Change (IPCC) are presented. The exhaustive evaluation of his efforts that led to sharing a Nobel Peace Prize in 2007 is presented.

India, Biography, Environmentalists, Environmental activists, Pachauri, Rajendra

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