 | |  |
|
Temperature of the Lower Atmosphere
Measurements from satellites and weather balloons show that the lowest layer of the atmosphere—where we live, airplanes fly, and weather occurs—is warming. Greenhouse gases are building up in this layer, trapping heat radiated from Earth's surface and raising the planet's temperature.
| |  | |  |
 | |  | |
Data Trends
Tropospheric Temperature Time Series Data Plot
| |  | |  |
 | |  | |
Feature Articles
Arctic Warming Exceeds Global Average
On December 1, NOAA released its annual Arctic Report Card. Like a yearly check-up at the doctor's office, the report summarizes conditions in the Arctic atmosphere, ocean, and on land. | |  | |  |
 | |  |
|
Videos/Multimedia
 |
 |
 |
Winter 2011-2012 Recap Featured Video, March 7, 2012
The U.S. had its fourth warmest winter on record. In this episode of ClimateCast, NOAA's Deke Arndt recaps the 2011-2012 winter. |
Piecing Together the Temperature Puzzle
This NASA video discusses the impacts of the sun's energy, Earth's reflectance and greenhouse gases on the Earth system. |
Striking a Solar Balance
This NASA video reviews the role of the Sun in driving the climate system. It uses colorful animations to illustrate Earth's energy balance and how increased greenhouse gases are creating an... |
| |  | |  |
|