Lightning in a thunderstorm changes the electromagnetic field in a way that sparks upward lightning from tall structures.
geography
Posted inNews
Some Communities Feel the Effects of Air Pollution More Than Others
A new study compares exposure to power plant emissions among communities based on race, income, and geography. Black Americans are most at risk.
Posted inOpinions
The Scientist Who Connected It All
Approaching the 250th anniversary of Alexander von Humboldt’s birth, we look back at the life and legacy of “the most scientific man of his age.”
Posted inNews
Tropical Corals Are Migrating Away from Warming Waters
In the first global assessment of its kind, researchers discovered that coral recruitment is declining globally and throughout the tropics while increasing in the subtropics.
Posted inNews
Algorithm Discerns Where Tweets Came from to Track Disasters
New pilot system that analyzed more than 35 million flood-related Twitter posts to determine their geographic origin might help first responders locate and react more quickly to calamities.
Posted inResearch Spotlights
Glacial Meltwater Features Depend on Glacier Type and Location
With climate change, some glaciers will melt faster than others, altering the proportions of nutrients in meltwater and changing downstream ecosystems.
Posted inScience Updates
Teaching the Integration of Geography and Atmospheric Sciences
Atmospheric scientists spent a decade incorporating geographic information systems into their research and operations. Now it is time to incorporate GIS into atmospheric science education.