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Do cows pollute as much as cars?
animals.howstuffworks.com/mammals/methane-cow.htm
Cow flatulence produces the greenhouse gas methane, which is linked to global warming. Find out how scientists are working to reduce cow flatulence in livestock.
10 Advancements in Environmental Engineering
science.howstuffworks.com/engineering/civil/10-advancements-environmental-engineering.htm
Environmental engineering existed long before it had a name. It began at the dawn of civilization when we started changing our surroundings to meet our needs.
How Gene Banks Work
science.howstuffworks.com/life/genetic/gene-bank.htm
Gene banks preserve thousands of genetic samples from organisms and store them in frozen vaults. Learn why gene banks are becoming more urgent.
How the Salton Sea Became an Eco Wasteland
science.howstuffworks.com/environmental/conservation/issues/salton-sea.htm
The Salton Sea, California's largest inland lake, and the area that surrounds it - once hotspots for tourism and wildlife - have essentially become ghost towns. The lake's evaporation has now become a ticking ecological time bomb with real world consequences.
What is organic certification?
recipes.howstuffworks.com/organic-certification.htm
Organic foods and other products are popping up everywhere.
How can copper keep termites at bay?
home.howstuffworks.com/home-improvement/household-safety/copper-stop-termites.htm
Termites can be a scourge on your house. How can copper keep termites at bay? Learn how copper might keep termites away in this article.
Why do civilizations collapse?
science.howstuffworks.com/environmental/green-science/civilizations-collapse.htm
The mighty Romans certainly never thought it would happen to them, but the sun eventually sets on even the most powerful empires. Is there more to the story than war?
How to Make Your Home Handicap Accessible
home.howstuffworks.com/home-improvement/remodeling/how-to-make-your-home-handicap-accessible.htm
If you have someone that is handicapped, it's important to make your home handicap accessible. Learn how to make your home handicap accessible.
Assess Your Garden Conditions
home.howstuffworks.com/gardening/garden-design/assess-your-garden-conditions.htm
All gardens need the right amount of light, good soil, and enough water to grow well. Learn how to assess your garden conditions at HowStuffWorks.
How Labor Unions Work
money.howstuffworks.com/labor-union.htm
Labor unions lobby for better working conditions, hours, pay and benefits. Learn about labor unions and the role they play in securing workers' rights.