A person swimming near a coral reef

Can Eco-Tourism Save Coral Reefs?

Eco-tourism can be a boon—or an ecosystem destroyer.
A child on a farm looking at chickens

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.
A fisherman on the dock with his catch.

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.
A pod of dolphins

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.
The Shinkansen N700A Series Set G13 high speed train travelling at approximately 300 km/h through Himeji Station, Japan

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.
The shadow of an airplane on a field

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.
Courtesy SeaDream

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.