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Your search for "category environments" returned 393 results
How the EPA Works
people.howstuffworks.com/epa.htm
The EPA was established in order to protect human health and the environment. Learn more about the EPA and some of the duties the EPA performs.
See If You Can Identify These Birds From an Image!
play.howstuffworks.com/quiz/see-if-you-can-identify-these-birds-from-an-image-thick
From the finch to the snowy owl, a wide variety of familiar and exotic birds fly around in various regions of the world. Think you can name them all from a picture? Try our bird identification quiz to find out!
The Tree Quiz
play.howstuffworks.com/quiz/the-tree-quiz
Trees aren't just for climbing. We can learn a lot from these ancient, silent friends. What do you know about trees? After taking this quiz, you will find out. Let's begin, shall we?
4 Types of Hair (Plus Thick vs. Thin Hair, Porosity and More)
health.howstuffworks.com/human-body/parts/types-of-hair.htm
Hair is one of the most expressive parts of our bodies. It's a living record of our genetics, our environment and even what we had for lunch (hello, greasy roots). With all the diversity in the world, how do we begin to categorize the many types of hair out there?
Biotic Factors vs. Abiotic Factors: Examples and Dependencies
science.howstuffworks.com/life/biology-fields/biotic-factors.htm
The natural world is a finely-tuned balance of biotic (living) and abiotic (nonliving) components that shape our environments. Various biotic factors directly affect processes like population growth, plant growth and nutrient cycling.
How Greenwashing Works
money.howstuffworks.com/greenwashing.htm
Greenwashing is an attempt to convince consumers that their business has a low impact on the environment. Learn more about greenwashing.
How Long Does It Take for Plastic to Decompose?
Wood, grass and food scraps undergo a process known as biodegradation when they're buried. They're transformed by bacteria in the soil into other useful compounds, but those same bacteria typically turn up their noses at plastic. Luckily, that's not the end of the story.
Extremophiles: How Do These Organisms Push the Limits of Life?
science.howstuffworks.com/life/cellular-microscopic/extremophile.htm
Extremophiles are organisms that live in "extreme" environments. Learn why extremophiles are remarkable, not only because of their habitats.
How Virtual Reality Works
electronics.howstuffworks.com/gadgets/other-gadgets/virtual-reality.htm
Virtual reality uses a computer to create a simulated three-dimensional world. Find out how virtual reality works and learn about the future of virtual reality.
How a Symbiotic Relationship Works
science.howstuffworks.com/life/evolution/symbiosis.htm
Symbiosis can be mutually beneficial, helping two creatures survive in a hostile environment. Learn about the different forms of symbiosis.