More than 2,000 times the entire annual energy consumption of the U.S. is available deep underground
Things could get uglier for desert flowers looking to bloom in May--and for the region's water supply, year-round
Community-based tourism is a new trend that allows travelers to experience a country while leaving a minimal footprint
Far from being a weak and unimportant sense, our odor-detecting ability is surprisingly acute and shapes our social interactions in ways we do not consciously realize
Quick-lube chains say 3,000 miles, auto manufacturers recommend 5,000 to 7,500 miles and synthetic oil companies, 10,000. How often do you really need to change the oil in your car?
Fertilizer runoff and fossil-fuel use lead to massive areas in the ocean with scant or no oxygen, killing large swaths of sea life and causing hundreds of millions of dollars in damage
Products for making indoor air smell fresh or laundry smell clean may include volatile chemical compounds technically considered to be pollutants. Adam Hinterthuer reports
Biology -- Repellents -- Materials -- Neuropsychology
Letters to the editor on environmental economics, the color of alien plants, and nuclear smuggling
Cleaner than clean energy: BioSolar creates new plastic backing for photovoltaic cells out of cotton and castor beans rather than petroleum products
Using Google's ranking system--pages are important based on how many other pages link to them--ecologists can figure out which species really hold an ecosystem together. Adam Hinterthuer reports...
The Universe in a Nutshell -- Lost Tribes -- Science and Romance in China
Human activity is responsible for a sixth extinction of thousands of species, so Paul Ehrlich and a colleague call for educating women to slow population growth
Do chemicals leach out of plastic storage containers and water bottles into food and drink?
From ragweed to pine trees, plant species are quickly climbing the slopes of the Santa Rosa Mountains in California. Since 1977, nine species of plants native to the region have shifted an average of 213 feet up the mountainsides, dying out at lower elevations and flourishing at higher ones as they pace climate change...
How some cities around the world have used congestion pricing to cut vehicle traffic and promote mass transit