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?
The Fish Doorbell Isn't a Joke ... Seriously
The Euphrates River, at the 'Cradle of Civilization,' Is Drying Up
Study Says 2035 Is Climate Change Point of No Return
10 Iconic Mountain Ranges in Europe
15 Must-see Mountain Ranges in the U.S.
Steppe: A Civilization-altering Biome Most People Can't Name
How Many Birds Are Killed by Wind Turbines, Really?
How a Lithium Mine Works and Impacts Local Communities
How to Sell Electricity Back to the Grid
The Worst Air Quality in the World Is in Mountainous Terrain
The World Hits 8 Billion People; Is That Good or Bad?
Quiz: Can You Tell Climate Change Fact From Fiction?
Top 5 Green Robots
5 Things to Consider When Building a Solar-powered Home
What Uses the Most Electricity in a Home?
Learn More / Page 3
Earth is a complex place, and its climate follows suit. That may explain why many of us are still confused about climate change. Think you can tell the facts from myths? Find out with this quiz.
By Mark Mancini
Each year, Earth sees two equinoxes and two solstices. But how much do you actually know about these events? Take the quiz and find out!
By Alia Hoyt
Water surrounds us, falling from the sky and pouring from faucets, and yet many of us never ask where it comes from. The answer stretches way back - before tides and thunderclouds to the big bang.
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To honor their prehistoric pasts, most U.S. states have designated official state fossils, ranging from trilobites to dinosaurs. Take our quiz to learn more!
By Mark Mancini
After 2035 it will be extremely unlikely we can stop Earth's temperature from rising enough to kick off a dangerous medley of global disasters.
All that seashell collecting you've been doing actually hurts the environment.
By Mark Mancini
Decades after the massive conflict, reminders of battles linger in pristine Pacific waters.
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The ocean's depths are one of the most mysterious areas on the planet - and the inhabitants of this murky domain are stranger than anything you'll find on land.
Decades of fossil discoveries have revealed much about the extinct members of our hominid family tree, but we're far from having all the answers. What have we learned from some of these fascinating finds?
By Jane McGrath
Over the years, many theories have been advanced about why the once-mighty Mayan civilization fell. But a newer one is getting attention: Was it because of climate change?
With the world's population expanding and its arable land shrinking, how in the world are we going to have enough food to feed everyone? Here are five ways.
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Wind farms are touted for their ability to capture a clean, renewable energy source. Is producing wind energy as beneficial as it seems, or are there any downsides?
By Lance Looper
Energy has been on everybody's minds lately, probably because our society is in a transition period, trying to move from polluting sources to cleaner ones.
Coal dominates the power industry in the U.S., producing nearly half of all electricity consumed in the country.
Environmental awareness is at an all-time high. We've moved beyond the message that littering is bad -- today we have Web sites, television programs, documentaries and books examining our impact upon the environment.
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For most of the developed world, a flick of a switch brings the lights, television, computer, and dozens of other gadgets and appliances to life without question.
Shedding light on dark energy has been a bit of a challenge for today's astronomers. What dark energy actually is goes beyond our present scientific understanding.
By Talal Al-Khatib
No one would blame you if you're sick of hearing about carbon. Every day it seems there are news stories about rising carbon levels, carbon emissions and even the search for new carbon-based life forms
The United States is the world's top producer of oil, but it still depends on foreign countries for millions of barrels, as well. Will there ever be a time when the U.S. is totally independent when it comes to oil production?
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As with most lessons, children learn by watching their parents, so it's up to you to teach them how to live a sustainable life.
While water falls from the sky in the form of rain, it may be hard to explain to your kids that clean water actually isn't infinite. We'll show you how to get the message across.
By Sara Elliott
Celebrated since 1970, Earth Day is a time to honor Mother Earth and pay attention to what we're doing to her. It's also a great day to get your kids involved.
By Sara Elliott
You probably do your best to make sure your children are environmentally responsible, but sometimes the whole family needs a little kick start. Here are five fun ways to teach your kids more about being green.
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Why can't we generate all the electricity we need from the wind? Learn more about generating energy from wind power.
The cost of solar panels depends on how sunny it is where you live, how much you spend on electricity and what size PV system you need. Learn what factors into the cost of solar panels in this article.