Welcome to New York; That'll Be $8
American cities look to London for a controversial traffic solution.
Do Bottled Water Drinkers Consume Oil?
Plastic containers and their transport foul the planet, some say.
Green Skies: Branson Bets on Biofuel Jets
Airline maverick pushes technology. Could it clear the air?
Japan: Land of Green Gizmos
Where going green is almost a sense of duty.
Going Green -- or Gifting a Right to Pollute?
Some believe carbon offsets can do more harm than good.
Silicon Valley Betting on Solar Power
Entrepreneurs Expect Green Movement Will Move Solar Panels Firmly into the Mainstream
Going Green: Fad or the Future?
Everyone seems to be going green, but may be another "We Are the World" moment.
He Led New York City to Greener Pastures
Barry Benepe, ABC News' person of the week, led the urban farmers' market trend.
Find Green Pet Products
Now even your pets can minimalize their effects on the environment.
Luxury Hotel Joins the Green Movement
San Francisco's Orchard Garden Hotel is one of the country's first green hotels.
San Francisco Goes Green
The California city leads the nation in global warming fight.
Robert Redford Launches 'Green' Show
Run your car on vegetable oil? Make your clothes from bottles? You could be on.
Green Queen? Royals Get Eco-Conscious
What can the Queen of England do to alter her carbon footprint?
No More Electric Bills, Ever
Imagine being able to produce all the power you need, in your own backyard.
Campaign 2008: Red, Blue and....Green
Presidential candidates from both parties heat up on climate change politics.
Design Goes Green
'GMA' Makes New Jersey Home Stylish and Environmentally Friendly
Lighting the City of Lights, Efficiently
A new energy-saving operation lights Paris in efficient and economical ways.
China Goes Green
China's works to reduce air pollution before Olympics.
Seven Continents, Seven Ways to Save the World
Go Around the Globe With ABC News This Earth Day for a Series of Reports on Saving Planet Earth
Make Your Home Green and Save Greenbacks
A Few Modifications to Your Home Can Help Save the Environment and Save You Money
What's Hot in Hollywood? Going Green
A-List Celebrities Are Taking Up the Environment as Their Cause
Building Solar, Hydrogen Power in Your Garage
New Jersey Resident Assembles Gadgets to Run His House
Big Green Bus: Road Trip for the Environment
Students Converted a Bus to Run on Vegetable Oil Instead of Diesel Fuel
In Real Estate, Green Is Becoming Gold
Businesses and Individuals Are Finding It Can Pay to Adopt Environmentally Friendly Building Methods
Constructing a Better Environment
A Green Roof Can Cut Energy Costs, Too
Home Gets Extreme Eco-Friendly Makeover
You'll Save Money in the Long Run
Going Green on College Campuses
Schools Nationwide Work to Reduce Greenhouse Gas Emissions
Increasingly Rapid Greenhouse Effect?
Scientists Say the Melting Glaciers Could Produce 'Runaway Effects'
Could Plastic Help Produce Cheaper Solar Power?
Scientists Announce Breakthroughs in Plastic Solar Cells
Green Monster: Live Earth Rocks World
Fans go wild, but can a series of concerts save the Earth?
Critics: Live Earth Not So Green
Critics said the Live Earth promoting global awareness wasn't so eco-friendly.
Hypocrite? Madonna's Green Cred in Doubt
Madonna performs at Live Earth, but her investments suggest other priorities.
Live Earth: Will It Make a Difference?
Al Gore pulls out all the stops to promote concerts to fight global warming.
Surprise D.C. Show Added to 'Live Earth'
Al Gore to launch D.C. event, then head to previously announced venue in N.J.
Ice 'n' Roll: Live Earth From Antarctica
Nunatak will be the first band to ever perform live on Antartica.
Watch: Live Earth Concert Backfires
The concert to fight climate change generated more than 1,000 tons of garbage.
Watch: Live Earth Rocks the World
Al Gore festival promotes environmental causes with 7-point plan and pop music.
Watch: Paying to Drive in the City
New York proposes congestion charge. Has it worked in London?
Watch: Bottled Water, Wasted Energy?
Restaurants serve up tap water amid claims bottled water pollutes.
Watch: Flying Green for Cleaner Air
Virgin Atlantic Airlines is going green with bio-fuels to power their jets.
Watch: Solar Panels, Water-Powered Elevators: San Francisco
How the City by the Bay is trying to reduce its carbon footprint.
Watch: Japan's Green Gadget Fascination
Bio-gasoline in Tokyo follows fascination with green gizmos.
Watch: The A-List Way to Fight Global Warming
"Carbon offsets" let stars and others pay to offset their CO2 pollution.
Watch: Going Green: Solar Silicon Valley
Silicon Valley entrepreneurs strive to make solar power a viable energy source.
Watch: Robert Redford's Green TV
"The Green" is a weekly television series dedicated to the environment.
Watch: Earth Day -- from Nixon to Now
Americans have been taking environmental initiative for more than 30 years.