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How the Sierra Club Works
science.howstuffworks.com/environmental/conservation/issues/sierra-club.htm
The Sierra Club protects the environment by lobbying for environmental preservation. Learn more about the Sierra Club conservation efforts.
5 Events in Black History You Never Learned in School
history.howstuffworks.com/american-history/black-history-didnt-learn-in-school.htm
Most students in the U.S. aren't taught about important people and events in Black history. Here are five that you probably never learned in school.
10 Myths About Surviving a Tornado
science.howstuffworks.com/nature/natural-disasters/10-myths-about-surviving-a-tornado.htm
Separating fact from fiction when it comes to tornado safety could mean the difference between life and death.
10 Least Educated States: High School Completion Rates and More
people.howstuffworks.com/least-educated-states.htm
Education levels vary widely across the U.S., and some states consistently fall behind in both school quality and degree attainment.
What's the Earth's biggest threat to biodiversity?
science.howstuffworks.com/environmental/conservation/issues/biggest-threat-to-biodiversity.htm
The biggest threat to biodiversity on Earth is explained in this article from HowStuffWorks. Learn about the biggest threat to biodiversity.
Why Aren't Modern Suburbs Built on a Walkable Grid?
science.howstuffworks.com/engineering/civil/why-so-many-suburban-streets-twist-and-turn.htm
You might be surprised to learn that the twists and turns of streets in the suburbs date all the way to the Industrial Revolution.
How Sinkholes Work
science.howstuffworks.com/nature/natural-disasters/sinkhole.htm
Sinkholes are much more than holes in the ground. Learn how sinkholes can cause the Earth to swallow up you, your home and your car.
How Zero Population Growth Works
people.howstuffworks.com/zero-population-growth.htm
The goal of zero population growth is to reach a sustainable global birth rate. Explore how zero population growth works and if it is possible.
8 Famous Parks Designed by Frederick Law Olmsted, Plus a Tiny One You May Not Know About
science.howstuffworks.com/engineering/civil/frederick-law-olmsted.htm
The designer of New York's Central Park believed that public parks were 'democratic spaces' belonging to all citizens, and aren't we glad he did?
Can You Identify the State Abbreviation From a State's Outline?
play.howstuffworks.com/quiz/can-you-identify-the-state-abbreviation-from-a-states-outline
When it comes to geography, they say the average American can't locate Afghanistan on a map, but how about Iowa? Take a look at these 50 state outlines and see if you can identify the correct abbreviation.