Plants Exhale Methane, Contribute to Warming, Study Says
Grasses and other green growth may produce 10 to 30 percent of Earth’s annual methane output, a new study reports, making plants a surprisingâ..and potentially significantâ..contributor to global warming. Until the data were unveiled in this week’s Nature, scientists had believed that plant-related methane formed only in oxygen-free environments, such as bogs. But a team […]