Drought + food = instability?

As California parches, we look at drought in the "Arab Spring" and China's Great Leap Forward. How are drought and famine related? More »

Global warming crisis: One expert’s view

For an overview on warming, we interview the scientist who introduced the “hockey stick” graph showing rapid global warming. Is the More »

Incredibly snowless Decembers recorded across the Midwest and Northeast. Great for traffic. What about winter critters? More »

Large amounts of methane and carbon dioxide could be produced as warming changes Arctic lands and ocean. Could this start a frightening More »

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

Sometimes, scientists feel the need to leave the lab and warn the public about onrushing hazards. Rowland warned about ozone, but More »

Ecologists are desperate to forestall a devastating invasion of the Lakes. Should canal be closed to cut off the damaging fish, or is More »

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

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

Humans and cats have enjoyed each other’s company for millennia, but scientists have discovered some troubling secrets of free-roaming More »

With three nuclear reactors and three pools of spent fuel teetering on the edge of meltdown, Japanese technicians struggled to throttle More »

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

It’s as sure as sunrise. Drink too much, and you’ll pay next morning: lassitude, nausea, headache, dizziness, and more specialized More »

When chemicals in the water trigger the endocrine system, male fish can start looking and acting female. What happens once chemicals More »

The gray wolf has made a dramatic recovery in the northern Rockies and upper Midwest. Is the wolf still endangered, or has it More »