Elements are listed on the periodic table., carbon (C) and hydrogen (H). It exists naturally as a molecule. Each methane molecule has a central carbon atom joined to and surrounded by four ...

A newly discovered source of methane emissions is adding to growing concerns about climate change, as scientists reveal that melting glaciers are leaking large amounts of this potent greenhouse gas.

WASHINGTON, March 20 (Reuters) - U.S. liquefied natural gas exporters, seeking to meet standards of overseas import markets, plan to continue to monitor and curb their methane emissions despite ...