SmartPlanet Daily: Saudi Arabia is building a massive $22 billion metro to cut oil use

Manage my newsletters  |  Trouble viewing this mail? Read it online.  |  Previous Edition    SmartPlanet Daily August 01, 2013 A daily briefing of the newest stories on SmartPlanet, five days a week. From the Desk of … Saudi Arabia is serious about getting off the nonrenewable sauce. For now, their money is on …

ScienceDaily: Top Environment News

New models predict drastically greener Arctic in coming decades Congestion in Earth’s mantle: Mineralogists explain why plate tectonics stagnates in some places Splendid Skadar Lake (Montenegro and Albania) surprises with new species of snails Protective prion keeps yeast cells from going it alone In solving social dilemmas, vervet monkeys get …