Satellite data show that one small “hot spot” in the U.S. Southwest produces the largest concentration of the greenhouse gas methane seen over the United States.
The Aral Sea - once the fourth largest inland sea in the world - has been shrinking markedly since the 1960s. Now its eastern basin has completely dried.
Eleanor Imster has helped write and edit EarthSky since 1995. She was an integral part of the award-winning EarthSky radio series almost since it began until it ended in 2013. She and her husband live in Tennessee, where they enjoy guitar playing and singing. They have 2 grown sons.