Lab tests suggest that a wide variety of plants may routinely do something that scientists had previously thought impossible—produce methane in significant quantities.
BREATHING OUT. Trees and other plants may emit substantial quantities of the potent greenhouse gas methane, according to a recent battery of lab tests. Corbis
Methane, like carbon dioxide, traps heat in Earth’s atmosphere.
Log in
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.
