From carbon sink to carbon source. This story adds more detail to our recent post showing that plant growth cannot keep pace forever with CO2 growth. It also sheds light on the next step, why carbon stored in soils and dead plants becomes subjected to more rapid decomposition, enough to produce more CO2 than what the living plants are absorbing. I also recommend that you browse through the comments that follow, for worthy discussion and also some links to yet more outside sources. This is a topic that is taken very seriously in the science community, based on the knowledge that fully half of human CO2 emissions are now being buried either on land or in the oceans.
http://www.carbonbrief.org/blog/2015/04/worlds-plants-and-soils-to-switch-from-carbon-sink-to-source-by-2100-study-shows/?
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Update on latest developments in renewable energy research. As described, much progress is still being made in silicon-based solar panels, thin film-based panels and wind turbines. These are developments that will soon be ready for production, leading to a significant furthering of price declines.
http://www.climatecentral.org/news/the-world-of-renewable-energy-18919