Invasive weed removal harms native bird in California

As invasive weeds choke the shore in San Francisco Bay, ecologists try to eradicate the invader without harming the California clapper More »

Arctic warming: Greenhouse gas nightmare?

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

As wildfires torch Western states, what is the role of global warming? Does hotter weather contribute to fires? Does the resulting More »

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

Mosquitoes spread a lot of disease, but they are not just “flying hypodermic needles.” As we rush to protect ourselves against a virus More »

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 »

Researchers are finding more links to obesity, cancer, and sleep disturbances. Light blocks the release of melatonin, a hormone More »

Most water pollution originates in polluted runoff. After a near-record number of beach closures, could green infrastructure convert More »

A chemical from plastics “looks” like estrogen to the body. If it makes female fish more likely to flirt with males of a different More »

As colony collapse disorder continues to attack honeybee hives, a new study shows that a common insecticide interferes with their More »

$Fracking fracas$

A high-pressure rock-buster caused natural gas production to explode. How does fracking work? What’s up with groundwater pollution? More »

The green revolution fed billions, but population keeps rising, water is short and the climate is changing. How will Africans feed More »

Was the epic 2011 heat wave in Texas due to global warming or natural variation? More »

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 »

Can we fix rivers? Dams, levees, and locks can harm rivers and wetlands. So can draining rivers dry, or encasing them in concrete. In a More »