New Zealand targets cow burps to help reduce global warming
How do you stop a cow from burping? It might sound like the start of a humorous riddle, but it’s the subject of a huge scientific inquiry in New Zealand. And the answer could have profound effects on the health of the planet.
Related Knowledge Center: Air emissions
More than 30 years after the last major update of the Clean Air Act, the U.S. Supreme Court has upended the ability of Congress to give the Environmental Protection Agency and other federal agencies broad scope to combat air pollution, including the emission of greenhouse gases. Meanwhile, further Biden administration efforts to limit emissions face opposition in the courts.
Related Knowledge Center: Methane
As the production of natural gas from shale fields has expanded, so have methane emissions. U.S. methane emissions grew 27 percent from 1990 to 2009, according to the Energy Information Administration. Methane contributes about 10 percent of all U.S. greenhouse gas emissions and is 25 times more potent a greenhouse gas than carbon dioxide.