Scientific American on how rising energy costs means more freight rails European demand for wood pellets as a green fuel is expected to triple by 2020, and the shortfall in supply means Mississippi's trees will need a way to ship to Europe. Wood pulp is too expensive to ship by truck, so the state's development district wants to build a freight rail link that will service Chicago to the Gulf of Mexico.
New Scientist on the questions about turning air into gas Air Fuel Synthesis successfully demonstrated that air can be converted to methanol and then gasoline. The problem: It might not be more efficient than gas because the technique uses electricity. "As long as the process is powered by renewable electricity sources such as solar, wind or tidal, using the gasoline is carbon neutral."
Reuters on tropical diseases traveling to southern Europe Extra warmth in Greece is attracting mosquitos with tropical infections like malaria, West Nile Virus, and chikungunya. "Yet far from coordinated, timely action, the rising threat from mosquitoes has instead brought a blame game pitching Greeks against foreigners, local mayors against national politicians and patients and doctors against ministers and officials."