Our Terms of Service and Privacy Policy have changed.

By continuing to use this site, you are agreeing to the new Privacy Policy and Terms of Service.

These futuristic projects promise to make the world greener, while making entrepreneurs some green.
2. Environmental Sensor Networks
2. Environmental Sensor Networks
Call it the networked environment. Picture tiny - we're talking small as a dime - wireless sensors lining lake beds and ocean floors, buried in the ground, and floating in the sky. All the time they are sniffing the air, water, and soil for pollutants and detecting changes in temperature and pressure. The payoff: real-time data on a variety of phenomena that affect the economy and society - climate change, hurricanes, air and water pollution. Cooler yet are solar-powered sensors that hover in the air. Virginia tech company Ensco is developing a beach-ball-size gadget that gets its juice from thin-film solar panels and would measure weather patterns. (See the full story.)

Hydrogen Fuel Station

Environmental Sensors

Toxin-Eating Trees

Nuclear Waste Neutralizer

Ocean Robots

Sonic Water Purifier

Species Tracker

Renewable Smart Power Grid
Go Green, Get Rich Meet the companies tackling nine of humanity's biggest problems -- and making millions saving us from ourselves. (more)
Blog: Can tech save the planet? Are green entrepreneurs the answer to our problems? Tell us what you think by posting a comment on the Green Wombat blog. (more)
101 Dumbest Moments in Business Business 2.0 Magazine's 7th annual look at the year in bungled layoffs, customer-service snafus, executive follies, and other madness. See all 101. (more)