Observing temperature patterns in the lower stratosphere gives scientists clues about our planet’s changing climate. Global average temperatures in the lower stratosphere for 2013 were slightly below the 1981–2010 average.
April showers and cool temperatures brought drought relief to many areas across the United States, but conditions worsened in the Southwest.
Temperatures measured on land and at sea for more than a century show that Earth's globally averaged surface temperature is experiencing a long-term warming trend.
In 2014, the most essential indicators of Earth’s changing climate continued to reflect trends of a warming planet, with several markers such as rising land and ocean temperature, sea levels and...