Horrific Hurricanes

Horrific Hurricanes

How do hurricanes form? How do we predict their paths? How can we improve predictions? More »

Greenhouse gas maps

Greenhouse gas maps

Using at least 20 sources of data, scientists have modeled releases of carbon dioxide from Indianapolis. The new view will help cities More »

Himalayan glaciers

Himalayan glaciers

A long debate about these giant ice streams has gyrated wildly. Now, satellite data show a moderate loss of mass for a recent six-year More »

Weather, climate, war

Weather, climate, war

Does climate affect war? A study shows increases in conflict during el Niño periods — but only during the warm, dry part of the cycle. More »

Tundra fire: Bad news on warming

Tundra fire: Bad news on warming

The globe warms, and the Arctic starts to burn. A new study measures carbon releases from the largest tundra fire in North America. More »

Nothing light about lightning

Nothing light about lightning

New instruments are giving a better view of how those astonishingly strong lightning bolts form inside clouds. More »

Tornado prediction

Tornado prediction

Three essential elements drive a tornado: Wet air, dry air, and wind shear. What explains the big improvement in tornado prediction? More »

A climate of extremes?

A climate of extremes?

Are extreme heat, wicked cyclones and record rainfalls signs of climate change, or just more changes in the weather? Will warming More »