Methane is the second-most important greenhouse gas contributing to climate change. But what do those human-caused emissions look like across the U.S.? This NASA's Scientific Visualization Studio video shows them in the year 2012, consistent with those reported by U.S. Environmental Protection Agency ⬇️ Learn more: https://climate.nasa.gov/climate_resources/316/methane-emissions-in-the-united-states/ | NASA Climate Change