Roads: helpful here, harmful there

Roads: helpful here, harmful there

Roads are the first insult to pristine natural areas — and a key to agricultural productivity in places where farming makes sense. More »

Native American Farming

Native American Farming

Synopsis: Native American agriculture was often a sophisticated response to a challenging environment. What were the secrets of

Counting bugs in Panama

Counting bugs in Panama

Life is biology is species: But how many species live on Earth? About six million arthropods (insects, spiders and crustaceans), says a More »

After the flood, the menace of mold

After the flood, the menace of mold

After Sandy’s soaking: How dangerous are molds and bacteria that grow in a soggy house? What is the best way to salvage a water-damaged 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 »

Light at night: Mixed blessing!

Light at night: Mixed blessing!

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

Fixing filthy beaches

Fixing filthy beaches

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

Freaky fish flirting

Freaky fish flirting

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 »

Honeybees getting lost?

Honeybees getting lost?

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

Putting the brakes on fish invasions

Putting the brakes on fish invasions

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

Should “wastewater” be wasted?

effluent pumps

Population growth, climate change and development are all focusing attention on water shortages. Theoretically, water can be recycled More »

Flying robots

small robotic, red and white plane on surface of water

Compared to regular airplanes, radio-controlled craft are safer, cheaper, and easier to use for observing wildlife and environmental More »