Why Plastic Roads Lead to a Cleaner Ocean
To prevent several millions tons of plastic from flushing into the ocean every year, engineers are paving roads with it.
Why You Should Visit a Farm This Summer
Agritourism may sound like a hot new trend, but it's actually been helping farms stay in business for over a century.
How to Eat Seafood — Sustainably
Fish stocks are collapsing. But you can still enjoy your freshest local seafood without feeling too guilty—and here’s why.
How Eco-Conscious is Your Eco-Tour?
Wildlife sighting business is booming. Here’s how to choose the tour operators that care about the animals.
Will the U.S. Ever Catch a High-Speed Train?
Over 20 countries have high-speed train travel, carrying 1.6 billion passengers a year. The United States is lagging behind.
Will You Ever Fly in a Plane Propelled by Plants and Seeds?
Airlines have already flown planes fueled with biofuel-petroleum mixes, and more are coming.
A Century After They First Appeared, Electric Boats Are Making a Comeback
In the late 1800s, electric boats were a promising new technology. They are now enjoying a revival.