Methane gets a look from NASA, NOAA

Study probes cloud over region's skies

Researchers begin to study methane ‘hot spot’

Cause of concentration in Four Corners is unknown

Judge rules against expansion of Navajo mine

Environmental impact was not adequately assessed

Some say methane plan isn’t enough

‘It is a good first step,’ but critics say White House could go further

Hot spot is a hot topic

Why does the Four Corners have the largest concentration of methane in U.S.?