From contacting your representatives to signing petitions, here are 5 ways to make your voice heard, and 2 that aren't worth your time.

The environment in your neighborhood and surrounding community has a huge impact on your health and lifespan.

On March 8, International Women's Day, women around the U.S. plan to go on strike.

These fruits and veggies from Sydney artist Danling Xiao are both adorable and thought-provoking.

#ILookLikeASurgeon aims to inspire inclusion and diversity in the surgical field.

Some cities have lowere euthanasia rate for shelter animals by implementing innovative programs. Steal these ideas to make it happen where you live.

These kids see no reason to wait until they are older to make a difference in the world.

Micro-volunteering lets you give back when there's no room for another commitment.

World Central Kitchen founded by Chef José Andrés has served over 3 million meals since Hurricane Maria ravaged Puerto Rico, and it's not done yet.

Tina Solera made it her life's mission to save the galgo, a traditional dog of Spain that has fallen into deep disregard.

Elaine Seamans didn't give up on the dog named Negra — even after he snapped at her.

For a time, this cow was the sole inhabitant of her own private island in Poland. She swam there to avoid slaughter.

After seeing yet another school shooting play out, Clare Schexnyder realized she couldn't sit back and do nothing.

British government prohibits wild animals in U.K. circuses by 2020, joining similar bans in Scotland and Ireland.

Here are eight young people who made an impressive mark on history and our world.

A sick hen led photographer Janet Holmes to a group of people who live with chickens as equals. She decided to document those relationships.

A dog named Horace embraced visitors like there was no tomorrow — until someone gave him one.

Meet LeeAnne Walters, the Flint mother fighting for clean water in her community and elsewhere. For her efforts, she won the Goldman Environmental Prize.

A teacher in a rural community in Virginia is running 100 miles in 24 hours to send her students to college.

Paul Phillips and Karen Perry were still mourning their old dog when Zeppelin crashed into their lives.

Through the animal welfare group he founded, Morris Darbo is saving more than the lives of animals.

Rodney Smith Jr. launched a grassroots movement, Raising Men Lawn Care Service, to change the world with his lawn mower.

A puppy named Dallas who was almost euthanized without ever leaving the shelter just landed a dream job: As a police K9.

Lucky was a broken street dog until he journeyed half a world away to inspire others.

Miss Willie the dog spent 12 years on a chain before she finally got to see the world.

The Sip of Hope coffeehouse in Chicago's Logan Square supports mental health initiatives, including suicide prevention.

In 2013, Bush shaved his head in solidarity with a young toddler with leukemia.

An anti-plastic campaign directed at the Britain's most beloved crisp company is leading to changes in packaging and recycling.

WildArk wants to inspire action that encourages conservation action and community engagement.

Earlier this year, her fans raised $650,000 to purchase the world's largest medical medical scanner to help her.

Every year, countless birds and deer get fatally entangled in soccer nets.

Some companies make DIY repair difficult (or impossible), but new laws in the U.S. and Europe may make fixing things easier.

47 animals were saved after a daring mission to a zoo in the Gaza Strip.

This shelter dog's neurological issues didn't stop him from getting adopted in no time.

WildArk created the Tuke Rainforest Conservancy to protect the people and biodiversity of the area.

This revolution isn't being led by baby boomers, but they are a big part of it.

Chris Van Dorn dons the cape and mask to rescue animals through his nonprofit, Batman4Paws.

Mimi Ausland began as an advocate for animals with her interactive quiz website that donates food to shelters. Now, she's tackling plastic waste in the ocean.

Daniel Kish is leading the way for research on echolocation and blind people because of his self-taught ability to navigate smoothly without sight.

Rob Greenfield is a hands-on activist who has participated in many high-profile environmental feats to raise awareness about people's impact on the planet.

There are lots of ways to help neighbors and local businesses while still keeping your social distance.

Biochar removes CO2 from the air, improves soil quality, creates clean energy, and it's surprisingly easy to come by.

Researchers mapped the route food takes from farms to homes.

A $2.5 billion investment in a renewable energy hub will bring about 2/3 of the power that the nuclear plant once did.

A new study finds dramatic benefits locally from shutting down coal plants.

The new facility is Southern Company's fourth in the state, and another example of the company's commitment to renewable energy.

The federal government is proposing opening up Utah's Sand Flats to drilling.

Modern dishwashers use a lot less water and energy than washing by hand — but not every time.

The 1.3-megawatt array covers about 10 acres in Plains, Georgia.

These small-scale solar systems can bring communities impacted by the bushfires and flooding back online in as little as a day.