New study finds that air pollution limits led to 10 percent more rainfall for Atlanta in the 1970s and 1980s.

Tree rings of old eastern red cedars show improved tree growth and physiology since the Clean Air Act's implementation in the 1980s.

Prime Minister Modi's efforts aimed at tackling local air pollution, but the whole world stands to benefit.

It's a breakthrough that scientists around the world have been pursuing for years.

The air inside your home can be more polluted than the air outside. Want cleaner air? Here are 11 natural ways to clean your indoor air without using chemicals.

Become a fan of MNN on Facebook and be automatically entered to win the entire fabulous line of Martha Stewart Clean natural cleaning products!

How smart are you when it comes to keeping clean and germ-free? Take our quiz and find out.

Finland's cleantech sector traces innovative industry back to ancient roots. A blogger tour of Helsinki and surrounds.

Renewable energy is a powerful force for the decentralization of Big Energy (and Big Government). It's odd that it isn't more popular in supposedly 'radical' an

Las Vegas hosts a clean energy summit, and politicians pledge allegiance to green cars, photovoltaic arrays, geothermal and wind turbines.

This weekend will feature several overlapping events meant to combat a growing plague of garbage around the world.

A light-emitting diode (LED) developed at MIT operates at 230-percent efficiency. That's not a typo. LEDs will provide 70 percent of the world's general lightin

EWG grades the products many of us use to clean our kitchens and houses. How do your 'green' cleaning products rate?

The well was uncovered in the basement of an old London building that was also used as a 'Harry Potter' set.

Santa Monica's iconic amusement pier is the site of this year's Land Art Generator Initiative. The Pipe is an offshore desalination concept that's making waves.

A quiet deal between two of the world’s leading energy technology clusters, puts Copenhagen at the center of the expanding cleantech universe. Highlights from

A restaurant's reputation and, ultimately, bottom line depend on cleanliness. The dilemma for restaurant operators is that most products used for cleaning and p

Officials hope the aircraft will help prevent unsafe E. coli counts, which have caused beach closures in the past.

Get a jump on this harmful invader with some common household solutions.

You really don't need the stuff that makes your bathroom smell like an overchlorinated swimming pool.

America's landmark water law will be 40 years old this fall. But amid old legal doubts and new environmental dangers, it may be facing a midlife crisis.

Clean water means a better environment, but it also means better beer. Breweries are joining with the NRDC to defend the Clean Water Act.

Nobody likes bathroom clean-up, especially with harsh chemical products. Here are some cheap and natural cleaning alternatives.

Kids in England have been raising money to fund solar for schools in Africa, but now they are bringing it closer to home too.

Engineering students tackle two problems with one clever project — how to transport water and purify it at the same time.

University of Minnesota researchers claim to have created a 'perfect' soap molecule that's better for the environment.

Here are 5 things to know about the EPA's climate plan.

Coal country Sen. Robert Byrd is crowing about $4 billion he steered towards the false hype that is "clean coal" in the Senate version of the economic stimulus

The brothers behind 'The Big Lebowski' turn their filmmaking talents to the boondoggle that is "clean coal".

Clean coal lobbyist forges 12 letters to trick House members into voting 'No' on ACES.

Video: President Obama explains about how clean energy investments can diminish the environmental risks of fossil fuels and provide new jobs and opportunities a

A note-perfect 'clean coal' parody site has become the talk of the Internet. With its Coal Cares campaign, the heretofore unknown activist group Coal is Killing

What is clean coal? Clean coal technology encompasses a variety of technologies and techniques to reduce harmful emissions and improve the efficiency of coal-bu

A new retrospective study finds that 1980s-era cleanup of Boston Harbor was well worth it from a return on investment standpoint.

Two companies, both with ties to Denmark, produce low-cost enzymes that can greatly reduce the cost of environmentally friendly biofuels made from agricultural

The British vacuum cleaner kingpin will invest nearly $3B in developing an electric vehicle by 2020.

AT&T's growing clean fleet allowed the company to avoid purchasing one million gallons of petroleum-based fuel in 2010.

Ah, the contradictions of corporations trying to look presentable at the green party. Here are 5 to consider.

It turns out that the technique is just as important as the cleaning agent.

In anticipation of the release of a comprehensive cleaning product safety database this fall, the Environmental Working Group publishes its Cleaners Hall of Sha

Shirts made from Silic use nano-technology to prevent water-based liquids from soaking in.

The project will utilize a 2,000-meter barrier, making it the largest floating structure ever deployed in the ocean.

Amber Yang is on a mission to create a better way to track space debris and prevent collisions in the Earth's atmosphere.

We're not quite through with summer yet but it's never too early to start conquering that filthy grill and remedying those BBQ sauce-stained tablecloths.

Diapers made from jellyfish biodegrade in less than 30 days and soak up twice the mess.

As Earth Day nears, MNN follows a 48-mile sweep of Atlanta's Chattahoochee River to shed light on the rising relevance of crowd-sourced conservation.

Austin's 'Chevy Volt Village' makes a handy political target, but in fact clean energy — and especially wind power — has been very, very good for Texas' ec

Do you ever ignore your contact lens care instructions? You may want to rethink that.

I've been covering the Great Pacific Garbage Patch for the past year or so and just wrote about it here on MNN last week.

Well Aware is an international nonprofit organization that has transformed thousands of lives in Kenya and Tanzania. Sarah Evans founded the organization.