In honor of Earth Day's namesake orb, here's a time-lapse tour of Earth itself.

Old syrup drums are being repurposed as rain barrels.

No generations in the history of human civilization have consumed as much of the planet's natural bounty as the ones alive today. So what are we doing this Eart

Only a few of the many threatened species and wild places on Earth ever gain any legal protections. Some of these are considered vulnerable while others are mak

Retailers can't seem to let a holiday pass without building a sale around it. Fortunately, these companies' Earth Day promotions focus on eco-friendly products.

Leonardo DiCaprio, Linkin Park, Don Cheadle, and Sergio Marone are all judges in the Date with History contest, which will send one young visionary to address t

Keep it simple this Earth Day with these easy-going, eco-savvy ideas.

As marketers use Earth Day to hock anything and everything, including a 'Real Housewives' episode, bloggers weigh in on the ridiculousness of it all.

Groupon deals, rain barrels, epic videos and the marketing hype surrounding Earth Day.

World Elephant Day, National Dog Day and Southern Hemisphere Hoodie-Hoo Day are just a few celebratory days to mark on your calendar.

A picture of your favorite place could win you, and the charity of your choice, $1,000.

Submit your Earth Day lesson plan to this contest and you win could tons of cool prizes for your classroom.

Green moms from around the Web share their plans for celebrating Earth Day this year.

A look at Earth Day's history and six things you can do to make the planet better.

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.

Join Aveda in setting an Earth Day world record.

Your guide to the holiday's planet-centric programs.

You can celebrate Earth Day all week long with free admission to any national park.

There was a time, not very long ago, when it was safe to be a politician who supported environmental causes.

The search engine shows the globe some love in celebration of April 22.

Let these disaster movie-esque GIFs of four major cities being swallowed up by rising sea levels serve as your motivation to help combat climate change.

Not sure how to celebrate Earth Day with your family? Here are 22 eco-savvy ideas to get you started.

In honor of Earth Day, NASA has released an awe-inspiring video of the best imagery captured by its Earth-observing satellites.

The launch of Earth Day in 1970 raised suspicions in Washington, D.C.

Take a look at what the world's water supply would look like as a single drop - and find out what your family can do to protect it.

We asked Carla Hall, Mayim Bialik, Andy Richter, Izabella Miko about their Earth Day plans.

Celebrate the planet with these TV shows, movies and even a radio program.

Cuddle up with your favorite snuggle bunny and one of these great green reads to celebrate Earth Day with your family.

The more we hooked we get on gadgets, the more often obsolete technology ends up in landfills.

Celebrate National Parks Week and Earth Day with us with this breathtaking visual tour of some of the most beautiful sights in America's national parks.

PBS Kids' beloved Arthur cartoon will spend Earth week teaching kids to go green.

How much money and energy do you spend each year powering the gadgets in your home? This infographic breaks it down for you.

If nothing else, taking a picture of yourself in nature for Earth Day will get you outside.

For Earth Day, Easter or any seasonal meal, try this side dish made from seasonal vegetables and aromatic spices.

Did you know that 80 percent of the known terrestrial plant and animal species are found in forests?

From environmental tips to hanging out with monkeys, there's no shortage of Earth Day entertainment.

Meet the winners of the first California Green Medal: Sustainable Winegrowing Leadership Awards.

Thought-provoking documentary weaves together stunning imagery with enlightening interviews to show how connected we are to our planet.

A new MNN comic explains why we should rename 'Wednesday' in honor of our home planet.

There are many candlelit activities to do with family or friends when you turn off the lights for an hour to raise awareness about climate change.

You wouldn't leave the shower on for 42 minutes, right? When you think about food waste that way, it's more tangible.

More than 170 world leaders signed the Paris Agreement on Earth Day 2016, but that's just the beginning.

Critically acclaimed 'Catching the Sun' offers solution to current economic crisis.

In celebration of Earth Day on April 22, NASA has launched a clever online campaign that enables participants to "adopt" a small piece of the planet.

Max creates bold, iconic posters for events like Earth Day and groups like Greenpeace.

Hollywood icon Betty White discusses her passion for animals and her book, "My Life at the Zoo."

A royal Bengal tiger takes refuge in a local man's bed from deadly floods near Kaziranga National Park.

The COP16 climate summit kicks off in Cancun with a monumental statement to UN negotiators -- the whole world is ready for a low-carbon future, and the next ste

Leaders of countries and companies will be in Cancun for new climate talks this week. The business world looks poised to be heard and hopes governments will lis

Success at COP16 is all about how you measure it. The lower the expectations, the higher the chances this conference will be a success.