Search Results | environmental technology
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The Fish Doorbell Isn't a Joke ... Seriously
science.howstuffworks.com/environmental/conservation/fish-doorbell.htm
Imagine a doorbell — but for fish. In the Netherlands, this eco-friendly innovation is making waves. The fish doorbell, or "visdeurbel," is a clever system created in the city of Utrecht to help native freshwater fish migrate more freely through canals and locks during spawning season.
What's the Difference Between a Fuel Cell Vehicle and a Hydrogen-on-Demand Vehicle?
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/fuel-cell-difference.htm
A major hurdle to hydrogen-as-car-fuel is the public perception that hydrogen cars are unsafe. Read this article to find out if hydrogen cars are safe.
How Carbon Offsets Work
science.howstuffworks.com/environmental/green-science/carbon-offset.htm
Carbon offsets are a form of trade that funds projects that reduce greenhouse gas emissions. Learn about carbon offsets and carbon offset programs.
Grassoline: Can we fuel cars with grass?
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/grassoline.htm
Grassoline for fuel is a concept that is under development in the ongoing search for an alternative to oil. Learn about the concept of grassoline.
Top 5 Green Robots
science.howstuffworks.com/environmental/green-tech/sustainable/5-green-robots.htm
There's nothing particularly organic about a robot, even if you dress it in hemp and fuel it with alternative energy. But these five can help our planet one mechanical movement at a time.
How Australia's King Brown Snake Got Its Name
animals.howstuffworks.com/reptiles/king-brown-snake.htm
The king brown snake, also known as the mulga, occupies many regions of Australia and is partial to the most arid regions.
How Laundry Detergent Works
home.howstuffworks.com/laundry-detergent.htm
The average American family does 300 loads of laundry a year. That's a lot of laundry detergent! Learn all about laundry detergent in this article.
10 Edible Biofuels
auto.howstuffworks.com/fuel-efficiency/biofuels/10-edible-biofuels.htm
What are some of the most common edible biofuels? Check out 10 edible biofuels at HowStuffWorks.
How China's Pollution Sniffers Work
science.howstuffworks.com/environmental/green-science/pollution-sniffer.htm
Air pollution in China has spurred the training of air pollution sniffers to detect toxic gas. Read more about air pollution detection through smell.
Screws
home.howstuffworks.com/screws.htm
Screws have a few benefits over other fasteners -- they provide lots of strength and can be easily removed. Find out about different types of screws.