Primary productivity (main)
From The Encyclopedia of Earth
Primary productivity
Marine diatoms; an example of planktonic microalgae.
Gordon T. Taylor, Stony Brook U. & NOAA
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Bioenergy: Chances and Limits Last Updated on 2012-07-26 10:38:28 This report from the German National Academy of Sciences Leopoldina has come to the conclusion that in quantitative terms, bioenergy plays a minor role in the transition to renewable, sustainable energy sources in Germany at the present time and probably into the future. Bioenergy – Chances and Limits The Leopoldina’s statement “Bioenergy – Chances and Limits” Möglichkeiten und Grenzen provides a comprehensive analysis of the use of bioenergy. It was compiled by a working group of more than 20 expert scientists established in 2010 and outlines under which conditions the utilization of bioenergy is appropriate. In recent years Germany has seen a steady rise in the number of energy crops being cultivated for the production of biofuels and biogas. Because bioenergy is so versatile and easy to store, the German... More » 
