Hurricanes

Hurricanes

Synopsis: Hurricanes, the most powerful and dangerous storms of all, get their energy from the difference in temperature between a warm

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

Solemn, young Congolese boy in oversized raincoat, raindrops falling, green grass behind him

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

line of fires seen as thick barrier of smoke along tundra landscape

The globe warms, and the Arctic starts to burn. If warming causes fires that release carbon dioxide, the primary greenhouse gas, will 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 – and we are also getting More »

Tornado prediction

rubble of buildings and damaged car on side of road, sky still cloudy

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 »