Environmental Science
The environment is truly a thing of beauty and should be protected whenever possible. What can we do to save the environment, and what new technology is available to help us?
Lobsters vs. Right Whales: The Quest to Make Fishing Sustainable
Despite Sketchy Record, China Will Preside Over Upcoming U.N. Biodiversity Conference
Nord Stream Methane Leak Could Be Biggest Ever Into Atmosphere
What Is the Mohorovicic Discontinuity and Can Humans Ever Reach It?
How Much of the Ocean Has Been Explored? Shockingly Little!
How Deep Is the Ocean?
Drought, Climate Change Threaten the Future of U.S. Hydropower
Could Virtual Power Plants Help Stabilize the U.S. Energy Grid?
Could Giant Sea Kelp Be the Next Biofuel Source?
Adding Solar Panels to Farms Is Good for Plants, Animals and People
Leading Scientists Name 10 Essential Climate Issues for COP27
The World Hits 8 Billion People; Is That Good or Bad?
How Sinking Carbon-storing Seaweed Can Help Fight Climate Change
Donate Your Hair to Help Keep Our Water Clean
A New Green Solution for Dyeing Blue Denim
Learn More / Page 32
You've finally cleaned out your garage. Four cans of paint, a dead car battery and a circa 1991 Nintendo sit before you. But where in the world do you recycle these items?
By Debra Ronca
Popeye used the iron from spinach to morph into a formidable sailor. We know that iron is an essential component of the human body. But could it also be the answer to global warming?
How will Abu Dhabi's Masdar City function without cars, skyscrapers and fossil fuels? How is such a city even possible -- and what will keep it running?
By Jane McGrath
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Polar bears are facing a grim future as global warming melts their Arctic home. What problems are they up against and what's being done to save them?
By Julia Layton
Not all recycling is created equal. Some familiar recycled items are more "worth it" than others, and the hands-down winner may be in your recycling bin right now.
One company's SkyMine technology aims to capture industrial carbon dioxide emissions and turn them into an endlessly useful product: Baking soda. But how do pollutants become a household staple?
By Julia Layton
Earthquakes and volcanoes get all the press. But the landslides they trigger are often more devastating. What makes the ground suddenly rip downhill, taking trees and homes with it?
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Thousands of women around the world choose to combat ecological problems -- they're known as ecofeminists. But what would you do if you found out your house sat atop a toxic waste dump?
No one likes paying bills. But you wouldn't have quite so many if you lived off the grid. How do you create enough energy to ditch public utilities?
Carbon dioxide released from burning fossil fuels is a prime suspect in global warming. Could we mitigate the problem by burying the CO2 deep within the ocean?
By Josh Clark
Right now, landfills are all over the place. Yet, no one wants to live near one. So, what if we combined all of those landfills into one? How much space would it take up?
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The United States has an abundant supply to clean drinking water available in homes and businesses. But what if that water turned out not to be so clean? And what about the water supply around the world?
Seventy percent of the Earth's fresh water is in polar ice caps, the those caps calve icebergs all the time. So why can't we use those icebergs to provide fresh water that so many countries are in desperate need of?
Glaciers carve out lakes, grind down mountains and pulverize rocks to dust. These massive ice slabs shape our Earth, but they may be disappearing.
Archaeology is the study of humanity's material remains -- even a piece of an ancient pot can tell us a lot about the past. But how do archaeologists make sense of these relics?
By Sarah Dowdey
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One iceberg sank the unsinkable Titanic, and another exploded in front of an expedition. These floating chunks of ice carry their bulk deceptively below the surface of the water. What else are they hiding?
Saber-tooth cats have long been likened to tigers, but they aren't tigers at all. While they share some physical traits and hunting practices with tigers, saber-tooth cats are also quite different.
Have you ever wondered what happens when you flip a switch to turn something on? You're completing an electric circuit, allowing a current, or flow of electrons, through the wires.
The 1993 movie "Jurassic Park" did a good job of bringing the idea of cloning dinosaurs into popular culture. It portrayed dinosaur cloning in a way that made sense to a lot of people, but is it really possible?
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Every time a new fossil is found, one of the first things scientists determine is how old that fossil really is. But how do they determine it, and how can they be completely accurate?
Oil is a nonrenewable resource. Have we found all the oil there is to find, or is there more out there somewhere? What's the best way to wean ourselves from our oil dependency?
By Josh Clark
The waste collectors threw your recyclables into one big bin on their truck. How do you know your recyclables are being recycled? And what happens to them next?
By Josh Clark
Fossils tell a story, much like the clues at the scene of a crime. Researchers look for evidence and paleontologists study that evidence to answer questions about the past.
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Consumers are becoming more and more knowledgeable about food safety and their health. As a result, organic farming has entered the agriculture mainstream. But what methods must be used, and how is organic farming certified?
To see a dinosaur these days, you can visit any number of museums or traveling exhibits. But you don't necessarily have to leave your yard either.