Could a Trillion Trees Really Save the Planet?
Scientists think that planting trees could reverse climate change, but planting trees isn't as simple as it sounds.
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.
How Language and Climate Connect
While we’re losing biological diversity, we’re also losing linguistic and cultural diversity at the same time. This is no coincidence.
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.
The High Environmental Costs of Cruise Ships
Cruise ships pose many environmental concerns, from waste disposal to toxic paint to the creation of noise that can harm marine life.
A Grain of Solar-Made Sea Salt
Artisanal sea salt makers are reviving the ancient method of sustainably harvesting salt.
The Environmental Downside of Cannabis Cultivation
Wide-scale cannabis cultivation is causing environmental damage. Federal regulations could change this.
Artificial Photosynthesis
What is artificial photosynthesis, how does it work, and why would we need it?