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Useful journal for the upcoming Earth Systems Science. For geoengineering, check out this: http://www.atmos-chem-phys-discuss.net/9/2559/2009/acpd-9-2559-2009.pdf (currently first on the list of this bookmark)

The fast developping solar cell technology of perovskites. "Perovskites are a broad class of crystalline minerals that have been known for well over a century. But their ability to convert solar energy to electricity came to light only in 2009. Since then, the efficiency of perovskite solar cells has climbed from 3.8% to 19.3%, a pace of improvement unmatched by any other solar technology. By comparison, crystalline silicon solar cells, the leading commercial technology, convert about 25% of solar energy to electricity."

Norwegian scientist Kristian Morten Olesen has patented a process to mix nano-particles of clay with water and bind them to sand particles to condition desert soil - he has been working on Liquid Nanoclay (LNC) since 2005.

The news here that some patent has been filed. If it actually works the guy is an ass for wanting to patent something that is solving world hunger. If it does not, then the guy is still an ass. So the news is that this guy is an ass :)

Agreed :) But, if it does work I doubt the guy will be able to enforce the patent in most of the countries where this will be helpful.