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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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

A sustainable community might not be as radical as you think. What's so crazy about minimizing waste, reducing consumption and preserving green space?

By Jennifer Horton

Water is just hydrogen and oxygen, so why can't we do what nature does and combine the two? Unfortunately, it's not that simple, and the results can be rather ... explosive.

By Josh Clark & Jennifer Walker-Journey


Recycling is a pretty simple concept: take something that isn't useful anymore and make it into something new. Learn about the process and the good and bad of recycling.

By Ed Grabianowski

Eco-conscious people purchase carbon offsets to help reduce worldwide greenhouse gas emissions. But do offsets actually help, and what does Pink Floyd have to do with them?

By Sarah Dowdey

Carbon trading, sometimes called emissions trading, is a market-based tool to limit greenhouse gases. The carbon market trades emissions under cap-and-trade schemes or with credits that pay for or offset GHG reductions.

By Sarah Dowdey

These days, it seems everyone is "going green." From individuals to businesses, everyone is looking for ways to be more sustainable and environmentally-friendly. But is green tech the way of the future or just another fad?

By Beth Brindle


Yes, we have way too much non-biodegradable plastic clogging up everything on this planet, but what if there was a way to make plastic out of something better or even more natural? Would shrimp shells work?

By Beth Brindle

Farming technologies have allowed the world to be fed, even though most people no longer farm. Only 2 percent of Americans are farmers, versus 90 percent in the 1700s. Which tools and technologies have had the most impact on farming and why?

By Laurie L. Dove

They bring herds of identical friends, they eat all the food and they just won't leave the party. How can we get rid of these uninvited guests in Earth's ecoystems?

By John Perritano

"It's been so cold this winter — so much for global warming." Ever heard anyone say that? We explain why cold weather — and nine other things – don't disprove global warming.

By Patrick J. Kiger


The oceans are rising, and they're threatening to take down some of the world's brightest cultural gems. Here are 10 of the most notable spots endangered by climate change.

By Chris Opfer

While actual footprints measure size, weight and speed, carbon footprints measure how much carbon dioxide (CO2) we produce in our daily lives. Do you know how big your carbon footprint is?

By Sarah Dowdey

The curves of the giant snake line up with the sun during equinoxes and solstices.

By Jesslyn Shields

The Arctic Circle is a region marked by frigid temperatures, strange sunlight and glaciers galore. And for hundreds of thousands of people, it's also home sweet home.

By Mark Mancini


Most scientists agree that human interference in the environment has something to do with the recent trend of rising temperatures on the Earth. If we got ourselves in this pickle, what can we do about it?

By Jonathan Strickland

The stratosphere is one of Earth's five atmospheric layers that also includes the troposphere, mesosphere, thermosphere and exosphere.

By Mark Mancini

Could solar cells be the asphalt of the 21st century?

By Patrick E. George & Cherise Threewitt

Famine might bring to mind historical tragedies or modern media coverage of tiny children with swollen bellies. But how does the unimaginable -- a widespread loss of food -- actually happen?

By Jessika Toothman


For decades, we've depended on an outdated, centralized power system that wastes power and occasionally fails to meet everyone's needs. The idea of a localized power grid, or microgrid, might just be the change we need.

By Robert Lamb

Ocean water is not actually blue, but appears in different shades for many reasons.

By Amanda Onion

Of course you know what gravity is. It's the force behind Wile E. Coyote plummeting off the face of a cliff and you stumbling spastically in front of your crush. But did you know it can bend light and help us detect hidden cosmic phenomena, too?

By Robert Lamb

The rose-red mineral rhodonite was first discovered in the 1790s in the Ural Mountains of Russia. Today it's found globally and is associated with compassion, love and healing.

By Allison Troutner


A lot of the times when people think of ancient artifacts, they picture Greek or Roman tools and relics. Things like oxidized copper trinkets, ivory statues, or maybe a bit of gold jewelry. But once you start thinking in archeological terms, a whole world of possibilities open up that pre date recorded history. Now we […] The post 12 Of The Oldest Objects Ever Discovered appeared first on Goliath.

By Wes Walcott

Solar energy is clean and plentiful. There's one big problem, though: The sun doesn't shine all the time. Is there a way to keep solar plants powered up through the night?

By Julia Layton