Green news harvest: Tidal power in the U.K., biogas in Germany

A sampling of green-tech news with quick commentary.

• Marine Current Turbines--press release
  A tidal power device, the SeaGen from Marine Current Turbines, delivers electricity into U.K.'s grid. (Via Earth2Tech)

The SeaGen, which its maker claims is the first tidal energy device to feed electricity to the grid.
(Credit: Marine Current Turbines)
• Biogas flows through Germany's grid big time--Renewable Energy World
  Biogas could supply 20 percent of Germany's energy and displace all its natural gas consumption, says proponent.
• Fuel from food waste: Bacteria provide power--Science Daily
  On the waste and bacteria beat, U.K. researchers try to produce hydrogen.
• Climate change puts U.S. way of life at risk--Reuters
  The EPA issues warning on health impacts from climate change.
• SunPower earnings up, shares slip on Spanish fears--Reuters
  A glimpse of the financial impact of policy changes and uncertainty, just like in the U.S.
• Kleiner bets the farm--Fortune
  Article asserts that the iconic VC firm is passing on Internet deals to focus on green tech, which are "shoot for the moon" type investments that have yet to pan out.
• Gore: Reliance on fossil fuels poses threat to U.S.--NPR
  A bold vision: 100 percent renewable energy in 10 years. Gore veers from the science-heavy discussion and ties threads of domestic economic problems and geopolitics with climate change.
• New York cancels plans for clean coal plan--Reuters
  So-called clean coal technology dubbed "ahead of its time" by regulators.