Tennessee’s Chattanooga Metropolitan Airport has become the first airport in the United States to run entirely on solar power.
articles
Looking for Freshwater in All the Snowy Places
Snowflakes that cover mountains or linger under tree canopies are a vital freshwater resource for over a billion people around the world.
Laser Method Promising for Detecting Trace Chemicals in Air
Researchers have developed a new laser-based method that can detect electric charges and chemicals of interest with unprecedented sensitivity.
Spotting Objects Amid Clutter
A new MIT-developed technique enables robots to quickly identify objects hidden in a three-dimensional cloud of data, reminiscent of how some people can make sense of a densely patterned “Magic Eye” image if they observe it in just the right way.
Why Climate Change Means a Rethink of Coffee and Cocoa Production Systems
Global demand for coffee and cocoa is on the rise. Yet across the equatorial belt where these two crops are produced, the future is not looking bright.
South African Forests Show Pathways to a Sustainable Future
Native forests make up 1 percent of the landscape in South Africa but could play a key role in reducing atmospheric carbon and identifying sustainable development practices that can be used globally to counter climate change, according to a Penn State researcher.