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Green Science

Green Science is the application of eco-friendly thinking to scientific disciplines. Learn about global warming, pollution and other impacts on nature and the planet, plus what we can do to combat them.

How Demand Response Works

In today's wired world, everybody wants more power. But how do energy utilities manage the demand for electricity? Would you be shocked to know you can help?

Do wind turbines kill birds?

For all of its cleanliness, wind power has long been linked to the grisly deaths of birds. Why did one range in California earn turbines the name "bird-o-matics"? See more »

What is China doing to create a green Olympics?

When vying for its Olympic bid, Beijing promised that it could stage a green games. So what makes an international event "green," and what's Beijing doing to prepare for its debut? See more »

Can we harness energy from outer space?

As alternative energy sources sputter to take off on Earth, scientists are turning an eye toward space. What are the most promising celestial options, and when could they be in use? See more »

What would happen to the environment if U.S. federal lands were open to oil drilling?

Many oil companies claim to have cleaned up their act. But are they clean enough to set up shop on federal land? What are the risks of opening our preserved wilderness? See more »

How CO2 Scrubbing Works

What if you could scrub out carbon dioxide emissions before they ever dirtied the atmosphere? This exciting technology could do just that, but will the benefits outweigh the costs? See more »

Why do some scientists want to scatter tubes throughout the open ocean?

Some scientists think that the ocean is a potentially enormous storage ground for carbon dioxide. Could thousands of aquatic tubes help sequester carbon, or is it all just a pipe dream? See more »

How the MARS Turbine Will Work

If, in a few years, you begin to see scores of blimps floating overhead, don't be alarmed. They're MARS turbines, and they could be an aerial solution to the energy problem. See more »

Is there a way to get energy for free?

Are wind farms and other renewable energy sources the closest we can come to free energy? Isn't there some crackpot invention out there that you can set up in your backyard? See more »

Could military strategy win the war on global warming?

Environmentalists have found a way to harness the military precision of missile-tracking technology for a decidedly nonviolent mission: replanting forests. So what do C-130 aircraft have to do with reforestation? See more »

How Alang Shipyard Works

In this mass graveyard, workers dismantle 52,000-ton ships using simple hand tools. Why would anyone want to work at Alang? Is this place doing the world a service by recycling obsolete ships? See more »