New study from the United Nations spotlights global methane pollution. Methane increases global warming far quicker than CO2. Cars produce 10 percent (or more) of pollutants that cause global warming.

PHOENIX (AP) — A new energy facility southwest of Phoenix scheduled to open in December will capture methane from cow manure and reuse the biogas as renewable natural fuel. Facility stakeholders told ...

Environmental agencies have been raising a lot of fuss about CO2 emissions from cars and transportation, but is it actually ...

When pig, cow, or poultry manure is combined with silage residues such as corn husks, grass clippings, and even composted food scraps, the mix can be fed into a manure digester to produce biogas. This ...