Airlines have already flown planes fueled with biofuel-petroleum mixes, and more are coming.
In the late 1800s, electric boats were a promising new technology. They are now enjoying a revival.
Cruise ships pose many environmental concerns, from waste disposal to toxic paint to the creation of noise that can harm marine life.
Artisanal sea salt makers are reviving the ancient method of sustainably harvesting salt.
Wide-scale cannabis cultivation is causing environmental damage. Federal regulations could change this.
What is artificial photosynthesis, how does it work, and why would we need it?
Plastic debris is killing the ocean’s “invisible forests,” which produce ten percent of the oxygen we breathe.
Burning household trash in massive incinerators saves landfill space, but it also introduces a host of other waste management issues.
Even the smallest city dwelling has enough space for a mini-meadow or a few flower pots.
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?