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?
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Decades after the massive conflict, reminders of battles linger in pristine Pacific waters.
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
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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.
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.
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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.
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
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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?
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
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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.
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.
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Insects and biodiversity go hand in hand. Without insects our planet would not survive as they are essential to biodiversity. Check out this gallery on the relationship between insects and biodiversity.
Biodiversity means rainforests and reefs teeming with species right? There's more to it than that though. Genetic diversity has a big role to play, too. Just ask that cheetah cub.
Do you ever play that game in which you select the items you'd bring if you got stuck on a desert island? Along with that treasured bootleg recording of your favorite band, we think that an endless supply of water should be at the top of your list. Here's why.
This green science image gallery shows eco-friendly applications as they apply to scientific disciplines. Take a look at these green science pictures.
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Though not everyone agrees why the Earth is getting warmer, temperatures are inching up worldwide. A couple of degrees doesn't seem like such a big deal. What difference can a subtle change make?
The mighty Romans certainly never thought it would happen to them, but the sun eventually sets on even the most powerful empires. Is there more to the story than war?
By Robert Lamb