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Your search for "greenhouse gas" returned 236 results
What Is the Point of Daylight Saving Time?
science.howstuffworks.com/innovation/everyday-innovations/daylight-saving-time.htm
We humans aren't complete slaves to time. We've devised ways to pack an extra hour of sunshine into our day, thanks to daylight saving time. But who came up with this idea and why do so many people loathe it?
Have we reached peak oil?
science.howstuffworks.com/environmental/green-science/peak-oil.htm
Oil is a nonrenewable resource. Have we found all the oil there is to find, or is there more out there somewhere? What's the best way to wean ourselves from our oil dependency?
Will a drought affect the price of ethanol?
auto.howstuffworks.com/fuel-efficiency/fuel-consumption/drought-affect-price-of-ethanol.htm
Many scientists fear the many ways that drought would affect the price of ethanol. Learn about ways that drought would affect the price of ethanol here.
How Roundabouts Work
science.howstuffworks.com/engineering/civil/roundabouts.htm
Roundabouts aren't all that complicated, but they're still relatively rare in the U.S., especially when compared with France.
What Is a Hybrid Car? Learn How Hybrid Vehicles Work
auto.howstuffworks.com/hybrid-car.htm
How does a hybrid car improve your gas mileage? And more importantly, does it pollute less just because it gets better gas mileage? Learn how hybrids work, plus get tips on how to drive a hybrid car for maximum efficiency.
How Hydroponics Works
home.howstuffworks.com/lawn-garden/professional-landscaping/hydroponics.htm
Hydroponics is the practice of growing plants without soil. Learn more about how hydroponics uses water as the nutrients for plants.
Why Does Lettuce in a Bag Stay Fresh Longer Than a Head of Lettuce?
recipes.howstuffworks.com/question355.htm
Why does lettuce in a bag stay fresh longer than a head of lettuce? Check out this article to learn the answer and more.
10 Reasons a Car Might Have a Salvage Title
auto.howstuffworks.com/under-the-hood/salvage-used-junkyard-parts/10-reasons-car-salvage-title.htm
What are 10 reasons a car might have a salvage title? Learn about 10 common reasons that a car might have a salvage title at HowStuffWorks.
What is the energy source of the future?
science.howstuffworks.com/environmental/energy/energy-source-future.htm
What is the energy source of the future? Learn more about the energy source of the future in this article.
Top 10 Electric Car Frequently Asked Questions
auto.howstuffworks.com/top-10-electric-car-frequently-asked-questions.htm
The electric car is sure to figure prominently in any conversation about green vehicles. Learn more about the top 10 electric car frequently asked questions.