Offshore wind farms can have some benefits for marine life, according to researchers. The wind turbines can serve as artificial reefs for barnacles, which attracts hungry fish and hungry seals.
The nuclear industry is lining up heavy hitters from past administrations to convince Congress and the public that nuclear power represents a solution to climate change. But safety fears post-Fukushima, along with concerns about high building costs and the lack of permanent storage for spent fuel rods, remain big hurdles.
Google is teaming up with an environmental group to map methane leaks from natural gas pipelines in US cities. Methane contributes to global warming, and Google hopes its new maps will encourage utilities to patch and replace old pipelines.