Use science and math to solve a mystery on your phone.
Encourage friends to make better-informed costume decisions.
Demand more non-”sexy” Halloween costume choices in the women’s section.
Help your friends register to vote in their first election!
Inspire kids by making vision boards showing diverse scientists.
Play a game of would you rather to learn and share ways to save money.
Share ways to keep friends safe from prescription pain med abuse.
Help YouTubers make better captions for the Deaf and hard of hearing community.
Make an ABCs poster for a classroom to increase literacy.
Draw a new protagonist to expand the representation of women on screen.
Complete a seed-bombing mission to beautify your favorite places.
Run a voter registration booth at your school.
Help owners create a disaster plan for their pets.
Host a trash-free tailgate to make pre-gaming more eco-friendly.
Tweet at your school board about decisions that impact students.
Five days. One challenge. No oil. The world is in your hands.
Challenge your friends to carry all their trash for one day.
Start an inclusive kickball team in your neighborhood.
Get HIV tested & take a pic with “TESTED” on your hand.
Create art urging shoppers to buy organic fruits and veggies.
Protest for your college's apparel to be made in fair conditions.
Host a library dance party to de-stress friends during finals.
Create homemade bubble blowing kits for kids at a family shelter.
Host a beach-themed party to promote DIY tanning alternatives.
Run a Halloween candy collection drive for soldiers.
Create a welcome home banner for a veteran’s new home.
Make a back-to-school playlist to support your fav teacher.
Start a walking club to reduce your neighborhood's diabetes risk.
Challenge friends to reduce plastic waste with a reusable bottle.
Start a sports club where all the players wear costumes.
Tell people, “Just because__ doesn’t mean they want to f*ck.”
Ask social influencers to publicly support LGBTQ rights.
Take photos to share resources with survivors of sexual assault.
Bake cookies to say thanks to the firefighters in your community.
Make T-shirts with friends to rally for CPR class at school.
Host an editing event to reduce the Wikipedian gender gap.
Turn street harassment into empowerment.
Make campfire safety plaques with tips for campers.
Volunteer with friends at a soup kitchen around the holiday season.
Give bees a safe haven by planting bumble bands.
Host a dog wash to collect donated supplies for animal shelters.
Donate gently used SAT books to a library for students in need.
Host a college advice event with high schoolers and alumni.
Share tactics on how you overcame bullying.
Create a vision board with a student to set goals for next year.
Play a game where the punishment for sexism is push-ups.
Start a petition to demand accessible spaces on your campus.
Host a badass book swap to introduce your friends to new books.
Give library-card forms to younger students, Harry Potter style.
Do puzzles with a kindergarten class in your community.
Create holiday cards urging people to adopt pets from shelters.
Turn your morning announcements into anti-bullying training.
Fight cancer just by swabbing your cheek.
Start an improv theater group to decrease dropout rates.
Host a homecoming-themed career panel to increase job readiness.
Create a "take one, leave one" book swap to promote literacy.
Fame a friend’s unique talents to help land their dream school.
Make a flag that designates a bully-free zone in your school.
Create your own Barbie to push for more inclusivity.
Collect backpacks by going door-to-door in your neighborhood.
Educate beachgoers about sustainable seafood to save ocean life.
Distribute scholarship info for undocumented students.
Create custom jars with safety tips for friends studying abroad.
Make mock magazine covers to promote positive body image.
Share anonymous compliments to combat verbal bullying.
Host a Dr. Seuss book drive to benefit kids in family shelters.
Create masks and capes for children experiencing homelessness.
Host a book club that reads text by or about marginalized groups.
Deface or remove fat-shaming headlines on magazine covers.
Host a birthday party to honor an LGBT figure in history.
Fight senioritis by taking friends to a kindergarten classroom.
Make a Valentine's Day card encouraging a smoker to quit.
Host a closure party to combat negative effects of breakups.
Introduce a tradition to improve your team's sportsmanship.
Make a cape for your dog to bust myths about pets from shelters.
Collect cereal for your local food bank.
Stash our fortune tellers with tips on using condoms.
Bring dogs to campus so students can de-stress during exams.
Go caroling for older adults experiencing isolation this holiday season.
Show your friends that trash clean-ups can be fun.
Remind pet owners to not leave their furry friends in hot cars.
Donate bags of daily essentials to a local homeless shelter.
Make a sign sharing a soldier's experience in the service.
Host a party to upcycle candy wrappers into awesome crafts.
Go to a store and designate a “Sexist Section” of CDs and DVDs.
Collect toilet paper for a food bank while trick-or-treating.
Thank your old school counselor by making a selfie collage.
Parody the lyrics of a sexist top-40 song.
Collect gift cards to donate to domestic violence shelters.
Make a five-minute playlist to help friends take shorter showers.
Make a wall for classmates to post their New Year’s resolutions.
Save sea turtles by picking up trash before it reaches the ocean.
Create a Wish List so your family can donate pet supplies to shelters.
Flyer truck stop bathrooms with sex trafficking hotline info.
Make cards so friends can call help for injured wildlife.
Trick-or-treat as a famous feline to get shelter cats adopted.
Create a visual petition to protest youth solitary confinement.
Paint recycling bins to increase recycling.
Prank friends with a meat-free BBQ to improve the planet.
Tag cars around campus with info about gun safety.
Host a workshop to teach underclassmen safe Internet practices.
Hunt down job openings with friends to create a local job board.
Decorate bins to designate plastic bag recycling.
Flyer a playground with important info about car seat safety.
Send in band-aids to stock a shelter's first-aid supply.
Fight ageism by recreating an old photo of a badass senior.
Share your feelings publicly to decrease stigma of counseling services.
Show your parents how climate change can affect the things they love.
Learn and cook a traditional recipe with an older adult.
Reduce sexual assault by sharing hot tips on consensual sex.
Flyer your campus with sexy tips on consensual sex.
Using our guide, challenge a guy to stand up to sexual assault.
Collect used phones to fund health programs in Africa and Asia.
Turn non-sporty friends active by creating a new sport with them.
Run a school-wide ad campaign to reduce the use of dipping tobacco.
Decrease your oil dependence by turning off the heat for a day.
Hold a musical chairs-inspired clothing swap.
Donate eyeglasses to fund eye care programs for people in need.
Swap stories with an older adult you love to decrease isolation.
Hold a concert to brighten the day of senior center residents.
Host a manicure party at a senior center to fight isolation.
Share stories of hate crimes to protest the media's biased coverage.
Team up with friends to win this bullying game on your phone.
Provide tips and information to new students at your school.
Show friends how climate change affects the settings of their fav books.
Flag ivory items on Craigslist to stop elephant poaching.
Challenge your friends to reduce the stigma around disability.
Post inspirational quotes in gyms, locker rooms, and libraries.
Post new restroom signs to demand inclusive options for trans people.
Share stories of incredible female athletes to protest biased media coverage.
Share the story of a victim of police brutality from your state.
Mail a "finish-the-story" activity to a senior who lives far away.
Post pro-environmental scripture in your place of worship.
Write human trafficking hotline info inside clothes you donate.
Give a friend an IOU book of fun activities so you can reconnect.
Protest the unfair and discriminatory suspension of Ahmed Mohamed.
Make cards to help teachers create an LGBT-inclusive classroom.
Create a pop culture-themed bookmark and donate it with an old book.
Reduce stress with a staring contest using your fav celeb's photo.
Share a #NoBlackface selfie to show others why blackface is so not OK.
Host a scrap paper wrapping holiday party to reduce paper waste
Turn a recycling bin into a hoop to go green for March Madness!
Write a short rap to give thanks to your favorite teacher.
Make a card celebrating someone who does super things in your community!
Use our guide to rally support against guns on your campus.
Share the hottest ways to ask for consent without killing the mood.
Kidnap your friends’ products that were tested on animals.
Start a rebel book club with your friends.
Host a costumed cleanup wearing anything but clothes.
Post notes on school mirrors to improve people’s self-esteem.
Give your custodian a thank you poster signed by everyone in your class.
Host senior-frosh socials to ease the transition to a new school!
Get your dad on the path to a healthy heart.
Offer to be your parents' designated driver to keep them safe.
Make a card and tell Mom to talk to a doctor about breast health.
Host a gardening shindig in a local green space.
Run a dress drive so everyone can feel their best at prom.
Demand high-speed Internet at your school with a badass photo.
Promote the nice things your classmates do for each other.
Create a comic that illustrates a way to stop bullying.
Hijack or spoof magazine ads that sexualize or objectify women.
Challenge friends to use only 13 gallons of water in a day.
Read from “Captain Underpants” in class to protest censorship.
Protest styrofoam by making petitions out of cafeteria plates.
Host a dance class at your local senior center.
Run a musical walk out to defend music program funding at school.
Host one at your school and help stock blood banks.
Collect food outside your supermarket for a local food bank.
Post flyers with a helpful hotline number for homeless youth.
Host a causey family game night with a classic board game.
Skip presents: have friends donate to animals for your b-day.
Create and share art to demand funding for school art programs.
THE THIRST IS REAL. Locate and unplug energy vampires at school.
Compile messages of support for students experiencing mental illness.
Donate board games to a local family shelter.
Host a Twitter debate with friends about a hot news headline.
Play a pop up concert in school to show music ed is important.
Challenge your sports team to a trash-pickup relay race.
Post stickers for a crisis text hotline in public bathrooms.
Provide free child care for parents earning their GED.
Promote adoptable pets on social media to help find them homes.
Urge your school cafeteria to serve vegetarian meals on Mondays.
Draw a new princess to join Disney in representing strong women on screen.
Walk a dog to help a senior stay injury-free this winter.
Host a back-to-school fashion show and collect clothing for shelters.
Donate extra cafeteria food to a homeless shelter in your town.
Pull a positive prank on your school by cleaning up in secret.
Highlight racial microaggressions through Instagram videos.
Run a competitive drive to collect books for low-income areas.
Socialize cats at your local shelter to increase adoption rates.
Host an event to customize your school's anti-bullying policy.
Send a thank you card to rangers who protect endangered species.
Take action to stop climate change and protect our planet.
Team up with Kelly Osbourne to shut down bullies.
Make an impact with the Manitou Nation October 17-18.
Tackle sports campaigns to make the world suck less.
Protest unfair and harsh discipline practices to advocate for change.
Take action on the Sustainable Development Goals.
Teach an older adult smartphone basics.
Rock campaigns inspired by Nickelodeon HALO Awards 2014 honorees.
Scare the sh*t out of apathy this Halloween.