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?
Is Plastic Pollution Depriving Us of Oxygen?
Plastic debris is killing the ocean’s “invisible forests,” which produce ten percent of the oxygen we breathe.
The Lowdown on Municipal Trash Incinerators
Burning household trash in massive incinerators saves landfill space, but it also introduces a host of other waste management issues.
Three Ways to Turn Your Apartment into a Sustainable Garden
Even the smallest city dwelling has enough space for a mini-meadow or a few flower pots.
How Urban Agriculture Can Meet Its Potential
New York City's urban agriculture has not been found to provide benefits to either hungry people or the environment. How could city farms work better?
Chinese Peasants Taught the USDA to Farm Organically in 1909
A hundred years later, we are still learning.