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Electric Cars vs. Hydrogen Fuel Cell Cars
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Most people know by now what an electric car is. It's a car that runs on a battery-powered electric motor. Learn more about the difference between electric cars and hydrogen fuel cell cars.
10 Amazing Green Cities
science.howstuffworks.com/environmental/green-science/five-amazing-green-cities.htm
Sure, the Emerald City looked green, but you won't need green-tinted glasses to see how environmentally friendly the cities on this list are. What makes a city amazingly green?
How Traveling Sprinklers Work
home.howstuffworks.com/traveling-sprinkler.htm
Oscillating sprinklers are great for watering a square area. But what if your lawn has curves? Traveling sprinklers spray the water exactly where you want it. Find out how they travel around your yard so you don't have to.
Why Can't We Generate All Our Energy From Wind Power?
Why can't we generate all the electricity we need from the wind? Learn more about generating energy from wind power.
How Wind Power Works
science.howstuffworks.com/environmental/green-science/wind-power.htm
When air moves quickly, that motion means kinetic energy, which can be captured. Learn how the simplest possible wind-energy turbine works.
How Power Grids Work
science.howstuffworks.com/environmental/energy/power.htm
Electrical power is a little bit like the air you breathe: You don't really think about it until it is missing. There are good reasons the power grid distribution system works the way it does, though it can lead to some big problems.
Cryptocurrency Has a Huge Negative Impact on Climate Change
science.howstuffworks.com/environmental/conservation/issues/cryptocurrency-climate-change-news.htm
Critics warn that cryptocurrency networks, whose computers use enormous amounts of electricity to verify transactions, could be a factor in warming the planet. The industry is working to change that.
Why Are Pandas Endangered?
animals.howstuffworks.com/endangered-species/panda-population-habitat-livestock-2017.htm
Panda populations are flourishing, and that's good news. But with the threats of infrastructure and livestock, can that trend last?
What's the Difference Between a Windmill and a Wind Turbine?
science.howstuffworks.com/windmill-vs-wind-turbine.htm
Windmills and wind turbines work on the same core principle to convert wind into energy, but one creates mechanical energy while the other creates electricity. Here's how they work.
What are the pros and cons of hydrogen energy?
science.howstuffworks.com/environmental/green-science/pros-and-cons-of-hydrogen-energy.htm
What are the pros and cons of hydrogen energy? Learn about this innovative green technology and the pros and cons of hydrogen energy.