During the first half of the 20th century, coal-burning power plants, factories and homes produced pollution that likely exceeded modern Beijing, one of the world's most polluted cities.
Monitoring Restless Super Volcanoes from Space
Eruptions of super volcanoes are a thousand times larger than those of normal volcanoes and only a handful exist around the world. Learn how satellites keep an eye on these giants.
Celebrating an Aura of Success
On the 10th anniversary of the launch of NASA’s Aura spacecraft, view 10 examples of how the satellite has changed our view of dust, pollution, aerosols and ozone in our atmosphere.
UAS Used to Study Colorado Thunderstorm Activity
Several organizations teamed to conduct the first multiple, unmanned aircraft interception of a telltale rush of cold air preceding a thunderstorm at the Pawnee National Grassland in northeast Colorado on Aug. 14, 2014.
Ships Ensuring Accurate Satellites
Satellites provide useful information when properly calibrated. Learn how ocean research can play a key role in making Earth observation satellites more useful.
Measuring Ice Sheet Highs, Lows and Loss
New results from the European Space Agency's CryoSat mission reveal combined ice volume loss at an unprecedented rate of 500 cubic kilometers a year.
New Satellite Data to Help Farmers Facing Drought
With no ground- or satellite-based global network monitoring soil moisture at a local level, farmers eagerly await NASA's Soil Moisture Active Passive satellite.
Satellites Trace Changes in Air Pollution
Air pollution is one of the world's greatest environmental health risks. So how does exposure to air pollution vary around the world and how has it changed over time?
China Uses Drone for Earthquake Response
In early August, for the first time in China, an unmanned aircraft system was used to rapidly model the aftermath of an earthquake at Longtoushan, the quake's epicenter.
Where Can You Fly a Drone?
They’re available online and in stores, some for less than $100. But whether and where owners are allowed to fly those drones falls into a legal gray area.
