Air, Water, Land, & Life: A Global Perspective

What is the hydrosphere and why is it important?

Dr. Norman Loeb, an atmospheric scientist at NASA’s Langley Research Center in Hampton, Virginia, is the principal investigator for an experiment called the Clouds and the Earth’s Radiant Energy System (CERES). CERES instruments measure how much of the sun’s energy is reflected back to space and how much thermal energy is emitted by Earth to space.

Background information on the El Nino Southern Oscillation or ENSO.