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Is the amount of mercury in CFLs more dangerous than the amount in fish?
science.howstuffworks.com/environmental/green-science/cfl-mercury.htm
Mercury in CFLs and fish are the best known sources of mercury exposure. Learn about mercury in CFLs and fish and find out which should cause more concern.
10 Earth Day Activities for Families
Celebrated since 1970, Earth Day is a time to honor Mother Earth and pay attention to what we're doing to her. It's also a great day to get your kids involved.
How the Nest Learning Thermostat Works
home.howstuffworks.com/nest-learning-thermostat.htm
What if your thermostat could gather information about your climate and lifestyle, and then program itself to maximize your comfort and save energy? The Nest aims to do just that, but is it worth the cost?
How Gas Compression-ignition Engines Work
auto.howstuffworks.com/gas-compression-ignition-engines.htm
HowStuffWorks talks to Mazda about the world's first gas compression-ignition engine and how the car company finally made the breakthrough.
Is NASCAR really that bad for the environment?
science.howstuffworks.com/environmental/green-science/nascar-environment.htm
Is NASCAR bad for the environment? Find of if NASCAR is bad for the environment in this article.
Lo-carbing Basics
health.howstuffworks.com/wellness/diet-fitness/weight-loss/lo-carbing.htm
An increasing number of grocery stores and restaurants are responding to the needs of the low-carb consumer. Find out what this low-carbing lifestyle is all about.
Do You Know The Basics of Plumbing?
play.howstuffworks.com/quiz/only-1-25-people-know-these-plumbing-basics-do-you
Let's face it ... indoor plumbing is pretty nice. Since most people enjoy having working toilets, hot showers and water that flows on command, people with plumbing skills enjoy solid career prospects. Take our quiz to test your knowledge of all things plumbing!
10 Disadvantages of Biofuels
auto.howstuffworks.com/fuel-efficiency/biofuels/10-disadvantages-of-biofuels.htm
Biofuels are hot now, but integrating them into our fuel use habits could be costly. Read more about 10 disadvantages of biofuels.
What is the economic impact of hybrid cars?
auto.howstuffworks.com/economic-impact-of-hybrid-cars.htm
What is the economic impact of hybrid cars? Visit HowStuffWorks to learn the economic impact of hybrid cars.
Ultimate Guide to Organic Clothing
lifestyle.howstuffworks.com/crafts/wearable/organic-clothing.htm
Organic clothing is made of all-natural, non-synthetic materials. Get tips on buying organic clothing, explore the different organic fabrics and more.