Search Results | pollution
Your search for "pollution" returned 269 results
How Biodegradation Additives Work
science.howstuffworks.com/environmental/green-science/biodegradation-additives.htm
Plastic's handy, hardy stuff, but we don't want to leave piles of old forks and water bottles for future generations to trip over. Can special additives that break down plastics faster save the day?
How Does Photosynthesis Work?
science.howstuffworks.com/environmental/green-tech/energy-production/artificial-photosynthesis.htm
Artificial photosynthesis allows us to replicate one of nature's miracles. Visit HowStuffWorks to learn all about artificial photosynthesis.
Exactly what happens if we run out of water?
science.howstuffworks.com/environmental/earth/geophysics/run-out-of-water.htm
On a planet that is 70 percent water, people don't have enough clean, safe water to drink. We're in a water crisis, and water rights are becoming a big issue. What happens if we just plain run out?
How Much Water Is on Earth?
science.howstuffworks.com/environmental/earth/geophysics/question157.htm
Water is one of the most abundant substances on the planet. About 70 percent of our planet is covered by oceans, but just how much water is there on Earth?
Could a gamma-ray burst wipe out all life on Earth?
science.howstuffworks.com/gamma-ray-burst-life-earth.htm
When a huge star collapses, it releases massive amounts of radiation in concentrated streams. If one of those streams hit Earth, it wouldn't be pretty. But where should we put "gamma-ray bursts" on our list of anxieties?
10 Wacky Forms of Alternative Energy
science.howstuffworks.com/environmental/green-science/five-forms-alternative-energy.htm
Wacky forms of alternative energy include using human energy as power and bugs that make fuel. Learn about the wacky forms of alternative energy.
How Does a Seismograph Work?
science.howstuffworks.com/environmental/earth/geophysics/question142.htm
A seismograph can accurately measure the movement of the Earth during a quake. How does a seismograph work, though, and what is the Richter scale that is associated with earthquakes? Learn the answers to these questions in this article.
Is the American Flag Still on the Moon? Objects Astronauts Left Behind
science.howstuffworks.com/question188.htm
Apollo astronauts left a lot of stuff behind on the moon. Can you see any of that from Earth, even with a telescope?
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.
What's stronger -- nature or nurture?
science.howstuffworks.com/life/evolution/nature-nurture.htm
Nature or nurture and which is stronger is explained in this article from HowStuffWorks. Find out if nature or nurture is stronger.