Aerosol air fresheners contribute to, rather than reduce, indoor air quality problems. And they often contain toxic chemicals like formaldehyde and xylene.

You can make a difference for environmental science while traveling, whether you're going to the beach, visiting a park or sticking to cities.

Oxybenzone, a common UV-filtering agent in sunscreens, linked to deformities and DNA damage in coral around the world.

It's not the smartest thing you've ever done, but here's why this winter mishap happens, and how you can get out of it in one piece.

Animals use the same wait-your-turn system that most humans do, say scientists who reviewed a series of animal studies.

The Danes are helping kick-start Colorado's green energy economy.

All-new Ford Police Interceptor police cruiser will match the Crown Victoria in power and add eco-friendly upgrades.

Twenty-three different groups want the government take more time to study the issue.

One side says the EPA is overstepping its bounds, while some say it didn't go far enough.

The EPA has moved one step closer to allowing a higher blend of alternative fuel in your cars, but the usual suspects aren't on board.

In these budget-cutting times, biofuels may be on the chopping block. And with a presidential election looming, politics will play role.

Ethanol is emerging as one of the biggest wedge issues for Republicans as they focus on the Iowa caucus.

Ethanol subsidies are such a wedge issue in Iowa that one candidate says he will stay away.

The latest assault on ethanol subsidies comes from one of the nation's leading newspapers.

When the 43 NASCAR drivers start their engines for Sunday's Daytona 500, they will be doing so for the second year with American ethanol-blended fuel in their g

MNN offers a graphical tribute to a gifted grain — corn — in all its many uses.

Supermodel once again named Global Earth Hour Ambassador in preparation for the lights-out moment on March 31.

Iconic landmarks and skylines all across the globe were plunged into darkness on Saturday for Earth Hour.

Annual event, which encourages people around the world to power down for one hour, teams up with the cast and crew of 'The Amazing Spider-Man 2'

This Earth Hour, celebrate the beautiful moments in nature that only occur after the sun goes down.

World's leading CEOs and policy-makers 'creating environmental capital' in tough economic times.

MNN rounds up some of the Web's most useful tools for shrinking your footprint.

Private brokerage service Ecostreamjet purchases carbon credits to offset emissions generated by each flight.

Brown has gone green! UPS has become the first small package carrier to offer its customers the option of purchasing carbon offsets to counteract the CO2 emissi

More than 1,000 workers will study the environmental effects of energy production.

MNN chats with guitarist Stone Gossard about the band's latest project and why the group is passionate about making a difference for the environment.

This month, scientists and tree lovers celebrate the 2nd birthday of a hybrid chestnut tree that may be a force in reducing the impacts of climate change.

A new website makes it super easy to help save the world, a little bit at a time.

Your car could capture and store carbon dioxide for later disposal, making it zero climate emission even without batteries.

Olivine is a miracle green rock that absorbs carbon dioxide naturally from the air.

Rarely use your car but keep it around for emergencies? Try a car sharing service.

Traffic driving you crazy? Let MNN get you on track to a more astute commute with these carpooling and public transit tips.

Morieka Johnson can help you maximize those trips to school, tae kwon do, gymnastics, soccer ...

A 10-mile stretch of Los Angeles' 405 Freeway — the most heavily trafficked road in the country — was completely shut down this weekend as part of a $1 bill

Apply to the 30-Day Electric Bike Challenge and you could be selected to receive an e-bike for a month in exchange for swearing off the use of your car.

Studies show that drivers older than 85 get into fatal accidents almost 4 times as often as teens do, and intersections are a problem.

Which form of travel gives off the fewest emissions? Let's just say it pays to carpool.

Uber and Lyft are both offering discounted ridesharing services. Today in San Francisco; tomorrow the world.

Helsinki is experimenting with a plan to match people with rides, making cars unnecessary.

Car2Go is now the world's largest service, with a million members and a new outpost in Brooklyn.

FlightCar leverages all those idle vehicles in the long-term lots, and it's a lifeline for frequent flyers.

You can now get a charge out of its new go-anywhere GoCharger.

Is this the start of a trend in which automakers make money retrofitting older cars?

Exciting new hybrids from Mitsubishi, Kia and Volvo are the talk of the Windy City.

Cars with 10 horsepower, fish tanks and Home Depot hardware are just part of the fun. Some even plug in.

how to sell electric cars

Proterra's new Catalyst is a lightweight, energy-efficient marvel with six times the efficiency of diesel.

The big Japanese auto show is all about plug-in and hydrogen cars — and some even drive themselves.

And no, we won't be able to use ringtones. (There will likely be standardized noises.)

The Detroit and New York auto shows may have the new car introductions, but Washington has the politicians.