Monetizing time savings makes toll roads financially stack up
Putting a dollar value on the savings from traffic congestion, noise and air pollution as a result of toll roads and tunnels will make...
Geographic variation in Gentoo penguin calls
Vocal communication is central to the lives of many birds, which use sound to attract mates and defend territories. Penguins are no exception, but...
Songbird populations may indicate trouble in northwestern forests
Populations of many North American songbirds are declining, and in many cases we don't understand why. Conservation efforts need this information to be effective,...
Removing nitrate for healthier ecosystems
In a new study, researchers have identified nitrate removal hotspots in landscapes around agricultural streams.
Many homeowners unaware they lived in reservoir 'flood pools.'
Hong Soule and her husband Charles bought their two-story house in Cinco Ranch Equestrian Village for its views of George Bush Park.
Soule, a native...
Puerto Rico needs help. Here’s what we can do.
By Editorial Board,
IMAGINE A catastrophe that left the residents of Montana, Maine and Rhode Island without power, water and food. Immediate help would be...
Dyson really wants to clean everything, so it's developing an electric vehicle.
Dyson vacuums already almost look like futuristic cars.
Image: Bruno Vincent/Getty Images
By Sasha Lekach2017-09-26 15:23:28 -0400
Dyson, the company known for high-tech vacuum cleaners and those...
Evaporation could power most of the US – study.
Columbia University scientists are testing evaporation-to-power devices. ExtremeBio/YouTube
Imagine evaporation from lakes and reservoirs providing the majority of U.S. electricity at little cost and without...
NYC's tall order for greener buildings.
Heating buildings accounts for some 40 percent of New York City's carbon emissions. Mike Segar/Reuters
Making existing buildings more energy-efficient can cost millions of...
From 'hippie thing' to hundreds of mirrors and 1,000 degrees.
China is ahead of the United States on concentrating solar power technology. The Ivanpah Solar Power Facility in California is pictured here. Department of...



















