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How green is a self-contained composting toilet?
home.howstuffworks.com/green-living/composting-toilet.htm
A composting toilet is a step beyond keeping your home as earth friendly as possible. Learn about composting toilets and how much water they save.
How Building Permits Work
home.howstuffworks.com/home-improvement/construction/planning/building-permit.htm
Building permits are the way counties, towns and municipalities enforce their codes to ensure that all buildings meet minimum safety and structural standards. When do you need one, and what does the process of getting one entail?
10 Best Roofing Materials for Warmer Climates
home.howstuffworks.com/home-improvement/construction/green/10-best-roofing-materials.htm
The first real line of defense against the heat is a building's roof. And some materials are better than others -- especially in hot climates. See which ones are best at keeping the heat at bay.
What's more energy efficient for warmer climates: shingles or a metal roof?
home.howstuffworks.com/home-improvement/construction/shingles-or-metal-roof.htm
When it comes to roofing, materials matter -- especially in a hot climate. So when it comes down to asphalt shingles or a metal roof, which really is better?
How to Install a Fountain
home.howstuffworks.com/home-improvement/remodeling/install-fountain.htm
Installing a fountain can be somewhat difficult if you don't know the proper steps to take. Learn about how to install a fountain at HowStuffWorks.
5 of the World's Rarest Skin Conditions
health.howstuffworks.com/skin-care/problems/medical/5-rare-skin-conditions.htm
Some of the rarest skin conditions include blue skin and scaly plates. See five of the world's rarest skin conditions.
1988 Peugeot Oxia Concept Car
auto.howstuffworks.com/1988-peugeot-oxia-concept-car.htm
The otherworldly 1988 Peugeot Oxia concept car took its name from a region on Mars. See pictures and a profile of the 1988 Peugeot Oxia concept car.
How Calculators Work
electronics.howstuffworks.com/gadgets/other-gadgets/calculator.htm
Calculators may show up anywhere in our lives that numbers do -- from calculus class to restaurants. See how calculators work.
Here's Where to Find the Cleanest Air in the World
science.howstuffworks.com/environmental/green-science/heres-where-to-find-cleanest-air-in-world.htm
Some cities, even large ones, are making big strides in improving air quality.
Can New York City's Skyscrapers Accommodate Vertical Farming?
science.howstuffworks.com/environmental/conservation/issues/vertical-farming.htm
Vertical farming is a method of large-scale farming in an urban environment. Learn about the benefits of a vertical farm and vertical farming technology.