Making a Difference montage

Top row, left to right:

Dr. Chip Miller, Carbon-Cycle and Atmospheric Research Scientist, NASA Jet Propulsion Laboratory.

The Global Precipitation Mission (GPM) launches from Japan on 28 February 2014. The mission, a joint effort between NASA and the Japan Aerospace Exploration Agency (JAXA), collect data that helps map global rainfall and snowfall every three hours. Credit: NASA/Bill Ingalls.

Forest canopy photo taken using a fisheye-type lens. Photos like this are used to calculate forest canopy cover. Credit: Photo by Dr. Sassan Saatchi, NASA Jet Propulsion Laboratory; caption adapted from a NASA Earth Observatory “Notes From the Field” blog written by Joanne Howl.

Testing NASA’s Orbiting Carbon Observatory-2 instrument at Vandenberg Air Force Base in California. Orbital Sciences Corporation workers and technicians secure the instrument onto a test fixture in a clean room. Credit: NASA/Doug Gruben, 30th Space Win.

Scott Freeman (left) and Mike Novak (right), members of one of NASA’s Ocean Ecology Laboratory field campaigns, talk while waiting for a package of ocean instruments to come up to the ocean surface. The 2014 mission involved a 45-day journey from Tasmania to Tahiti on an icebreaker to collect biogeochemical samples and bio-optical data across the South Pacific Ocean. Source: Taken from a NASA Earth Observatory “Notes From the Field” blog written by Aimee Neeley.

Dr. Josh Willis, Oceanographer, NASA Jet Propulsion Laboratory.

NASA/University of Utah expedition team studying water trapped under the Greenland ice sheet in the southeast region of Greenland, 2013. Source: Taken from a NASA Earth Observatory “Notes From the Field” blog written by Clément Miège.

Bottom row, left to right:

A Global Hawk drone (unmanned aerial vehicle) used by NASA in its high-altitude, long-duration Earth-science missions. Among other efforts, the Global Hawk has been used to get up close and personal with hurricanes in the Atlantic Ocean basin, studying how they form and intensify.

Dr. Steve Durden, Radar Engineer at NASA’s Jet Propulsion Laboratory, checks the Airborne Precipitation Radar onboard NASA's DC-8 airborne science laboratory for the SEAC4RS (Studies of Emissions, Atmospheric Composition, Clouds and Climate Coupling by Regional Surveys) mission. Credit: NASA / Tom Tschida.

Dr. Gavin Schmidt, Director, NASA Goddard Institute for Space Studies. Credit. B Fleld.

Dr. Carmen Boening, Climate Scientist and Oceanographer, NASA Jet Propulsion Laboratory.

Iceberg image by Ian Joughin, University of Washington.