Millions of tons of food are wasted every year — sent to landfills and incinerators. A Massachusetts company wants to stop that — and power our homes on those scraps.
A conceptual artist is helping illuminate a local dog park using a streetlamp powered by dog waste.
Natural gas could reduce carbon dioxide in the atmosphere, but some are questioning the potentially destructive way that companies extract it.
Scientists are using coriander, cinnamon, turmeric, cloves and cumin to fight the greenhouse gases caused by livestock belching.
The natural gas industry looks to the future after Democratic losses in the 2010 election.
A Canadian company is using propane instead of water to extract gas from shale formations. The method is controversial; some question its safety.