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.

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

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.

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

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.

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

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."

First comprehensive study on climate mortality released today at COP16 projects rapidly increasing death toll especially among children due to the impacts of cl

Taking the easy way out is nothing new for politicians, but this time they're taking the easy way out on climate policy.

Oyster mushrooms are one of the few fungi that hunt prey. And that fact may help us fight cancer!

On Nature Photography Day, take your camera outside to make a difference for wildlife!

As a wall goes up dividing the U.S. and Mexico, a range of environmental concerns are surfacing. Conservation photographer Krista Schlyer documents the impact.

There are only 300 blue-throated macaws left in the wild.

Yellowstone grizzly bears were removed from the U.S. endangered species list in 2017.

How to get ready for a great season of watching our feathered friends!

The epic landscapes of Torres del Paine will make you want to hop on the next plane to this Patagonian National Park.

The Australian bilby is becoming more popular, and they may just take over as the country's animal representative for Easter.

In "Ay, Mariposa," conservation filmmakers highlight the people, animals, and fragile habitats impacted by the barrier at the border.

This little mushroom is a pleasant surprise to anyone enjoying a walk in the woods.

Here are some fascinatingly odd ways that frost, ice and snow can appear. Here are some fascinatingly odd ways frost, ice and snow can appear.

It's the first birth spotted so far this season.

Turret spiders, the minuscule relatives of tarantulas, pack a powerful punch for any insect venturing close to the castle walls.

The barrage of Darwin Award-worthy and just plain cruel animal selfie photos in the news is our cue for a reality check.

If a bird has zygodactyl feet, that means two toes point forward and two point back. This makes life easier for woodpeckers, owls, parrots and ospreys.

Scientists hope a new vaccination campaign will give Ethiopian wolves a fighting chance at survival.

Far from being gross, the slime of a banana slug is a marvel of nature.

Octopuses are weird, fascinating and for the most part, entirely unknown. Yet these behaviors are reminders we shouldn't put anything past them.

Scientists take a deeper look at how chameleons change color, and learn some tricks that could benefit humans.

Non-native nutria have made their way to the Golden State, and Californians are rushing to find a solution to this ROUS-sized problem.

These small horses were thought to be the only truly wild horse species left on the planet and have a fascinating history.

These extraordinary marine mammals share a lot in common with humans.

From tallest to heaviest, these are the biggest breeds of dog found around the globe.

Searchers attempt to find the flyers, who crashed in Greenland in 1942, before they disappear into the sea.

This summer's unprecedented melt for the icy white cap over Arctic waters appears to have come to a stop on Sunday, Sept. 16, setting a new record low for Arcti

Nearly 700 feet (more than 200 meters) under the Svartisen glacier in northern Norway, researchers are huddled together underground.

A tourist was able to photograph the epic collapse of Patagonian ice bridge Perito Moreno into an icy lake below.

Scientists used computer models to predict how the glaciers would respond to future climate change, and the results were not reassuring.

NASA's newest rover won't be exploring another planet, but will take a look at part of our own.

The world's glaciers lost 260 gigatons of water each year between 2003 and 2009, making them responsible for almost a third of sea-level rise.

Melting Arctic sea ice has contributed considerably more to warming at the top of the world than previously predicted by climate models.

Four architecture students hope to build a seafaring crescent that would irrigate crops with icebergs and house 800 people.

The recently completed catalog will help researchers understand the effects of climate change and address water issues of local communities.

More ships are navigating the perilous, frigid Northwest Passage through the Arctic Ocean, with large passenger vessels soon to join them.

The glacier-carved inlets play an outsized role in the global carbon cycle, a new study reports.

If you visit Churchill, Manitoba, you won't be bouncing around like you're on the moon, but its lower gravity is a scientific oddity.

These glacial gifts offer a glimpse into our prehistoric and cultural past.

Humanity is not only moving too slowly in curbing CO2 emissions — we're moving the wrong direction.