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?
A hundred years later, we are still learning.
In addition to cleaning air pollution, trees absorb excess nutrients from soil, preventing algae blooms in waterways.
Workers are still cleaning up after the 2011 Fukushima Daiichi nuclear power plant partial meltdown. There's a lot of contaminated material to contend with.