Environmental Science

The idea behind a green transportation infrastructure is one that provides opportunities for people to get around their communities using their own power -- such as walking or biking. In this article we 10 ideas for greener transportation.

By Chris Warren

The energy choices we make today have a huge impact on the generations that follow. In this article you will explore 5 energy choices for a sustainable future.

By Jane McGrath

The transportation sector is the second largest producer of carbon dioxide emissions is the U.S. Is it possible to reduce emissions without stiffing the importing and exporting of goods? You'll discover the answer in this article.

By Dave Roos

The explosion and fire that destroyed the Deepwater Horizon drilling rig in the Gulf of Mexico in April 2010 killed 11 crew members and triggered an environmental nightmare.

By Patrick J. Kiger

For all our hand-wringing over the oil supply, it might shock you to realize that the solution to our dependence on fossil fuels lies right under our feet.

By Dave Roos

Until recently, natural gas was thought of as one of the cleanest fossil fuels. Yet new studies say it may be worse for the ozone layer than coal -- a fuel well-known for its harmful emissions.

By Danielle Fisher

When it comes to looking to the energy source that will replace fossil fuels, there are no shortage of options.

By Talal Al-Khatib

From corn to solar power, scientists have been searching every crevice of the Earth to find reliable sources of alternative energy. Could lightning be the answer?

By Alexander Davies

Amid the deadly gusts of wind and chaotic storms signaling an impending tornado, you rush indoors to a safe place to escape harm's way. But is there a way to actually benefit from that destructive power?

By Marianne Spoon

Imagine an energy source that was infinite, clean, and completely scalable. It would solve many of the world's problems -- and sounds too good to be true ... right?

By David DeFranza, Planet Green

Fossil fuels, including coal, oil and natural gas, supply the bulk of the world's energy demand. Wind, the sun and nuclear energy are ascending sources of power worldwide. Could we tap into the power from earthquakes?

By Talal Al-Khatib

Lots of people consider recycling to be kind of a no-brainer, something we all should do. It's good for the environment, it re-uses materials rather than creates new ones, it reduces landfills — the list goes on and on.

By Meghan E. Smith

A few decades ago, the pursuit of clean energy was "green." Now, it's a necessity. Not only is our power consumption propelling the human race toward a hot, watery, lonely end, but clean energy tends also to be renewable.

By Julia Layton

When you switch on your furnace or turn on your gas stove and use the heat from that little blue flame, you’re doing what people in 62 million other American homes do every day, too: You're using natural gas.

By Jamie Page Deaton

Polystyrene -- the plastic used in items ranging from plastic forks to take-out boxes to life rafts -- can be recycled, but not without costs. What does it take to recycle polystyrene?

By John Kelly

The United States has emergency crude oil stored in its Strategic Petroleum Reserve that can be tapped only under certain terms and usually only by the president. So how much is in the reserve and how long can it last?

By Cherise Threewitt & Yara Simón

The U.S. consumes 19.1 million barrels of petroleum each day -- almost half of it in the form of gasoline, according to the U.S. Energy Information Administration.

By Alice Truong

What's the smartest step you can take to help reduce pollution and live in a more sustainable way?

By John Kelly

The world is growing at an amazing rate. Currently, the Earth’s population is growing by 60,000 people every eight hours -- that’s two children born every second somewhere around the globe.

By Danielle Fisher

When people talk about energy and natural gas, opinions differ. Is it harmful to the environment, or the last great clean energy source?

By Linda C. Brinson

Remember those orange juice commercials? The ones where people tried to poke a rolling orange with a straw?

By David DeFranza, Planet Green

Under our toes, a wealth of gas exists that burns clean and could wean the U.S. off energy dependence. But getting to it is a bit tricky.

By Alice Truong

The automobile is one of the most important inventions of the past 150 years. This is not only because it provides convenient personal transport and great independence through mobility, but also because of the problems it can cause.

By Jane McGrath

Alternative energy isn't so "alternative" anymore. It's in the news, on political platforms, atop roofs and filling gas tanks, and the options have grown enough to change the conversation: It's not whether we want it, but which kind we want.

By Julia Layton

Oil drilling has been around for more than a century. But because of the numerous developments in the technology, it has grown leaps and bounds in that time.

By Jane McGrath