Amazing Organizations
charity: water
charity: water is a non-profit organization bringing clean and safe drinking water to people in developing nations.1,373,460 followers | Follow
American Red Cross
Official twitter stream for the American Red Cross. Follow us for disaster and preparedness updates.703,256 followers | Follow
Room to Read
We partner with communities in Asia & Africa to transform the lives of millions of children through literacy and gender equality in education.569,497 followers | Follow
DoSomething.org
We run national cause campaigns for teens. Tweets CEO @nancylublin. Follow other staff too @muneerpanjwani @davdeluca @elliezeitlin @fshake535,287 followers | Follow
Greenpeace
We're an independent global campaigning organisation acting to change attitudes and behavior, to protect the environment and promote peace.489,389 followers | Follow
Somaly Mam
I am an anti-slavery activist & survivor fighting for all victims all around the world. #Endsextrafficking and #EndSlavery #Cambodia374,815 followers | Follow
LIVESTRONG
LIVESTRONG serves people affected by cancer and empowers them to take action against the world's leading cause of death.284,311 followers | Follow
World Food Programme
The official World Food Programme Twitter page - fighting hunger worldwide. If you're reading this... you can help! Go to http://www.wfp.org/get-involved281,688 followers | Follow
Rotary International
Official Twitter page for Rotary International and The Rotary Foundation, an organization of more than 1.2 million business, professional, & community leaders.140,055 followers | Follow
Live Earth
Leveraging the power of entertainment through integrated events, media and live experience. Join the global movement to help solve critical environmental issues95,491 followers | Follow
National Wildlife
National Wildlife Federation works to inspire Americans to protect wildlife for our children's future. Staff updating: @starfocus @rarewildlifeguy @ksuzj89,184 followers | Follow
UNICEF USA
21,000 children die every day from preventable causes. We believe that number should be zero. Do you believe in ZERO?81,556 followers | Follow
autismspeaks
At Autism Speaks, our goal is to change the future for all who struggle with autism spectrum disorders. Call the Autism Response team for help 888-AUTISM2 (US)73,272 followers | Follow
Surfrider Foundation
Dedicated to the protection and enjoyment of oceans, waves and beaches through a powerful activist network60,130 followers | Follow
Best Friends
National animal welfare organization. We run no-kill animal sanctuary and work across the country aimed at creating a world with No More Homeless Pets.58,942 followers | Follow
Alex's Lemonade
Nonprofit fighting childhood cancer, one cup at a time. Connecting w/our #childhoodcancer supporters & giving ways to help in the fight. Also @AlexsEvents.52,303 followers | Follow
Gabe O'Neill
CoFounder of non-profit KidsAreHeroes.org with 13 y/o daughter. See how kids are changing the world and becoming leaders while doing it.51,434 followers | Follow
Bullying UK
BullyingUK the Nations Anti-bullying support and advice organisation part of the charity @FamilyLives46,900 followers | Follow
Scott Harrison
founder, ceo of charity: water (www.charitywater.org). Photographer, husband, follower of Christ.42,397 followers | Follow
GlobalGiving
The world is full of problems. GlobalGiving is full of solutions. 10+ years, 1,000+ projects in 100+ countries in 140 characters.42,090 followers | Follow
Operation Smile
Mobilizing a world of generous hearts to heal children’s smiles and transform lives across the globe.34,305 followers | Follow
World Vision USA
All the latest from World Vision U.S. For more: http://blog.worldvision.org and http://www.facebook.com/worldvision31,108 followers | Follow
FarmSanctuary
Farm Sanctuary works to protect farm animals from cruelty, inspire change in the way society views & treats farm animals, & promote compassionate vegan living.26,488 followers | Follow
Not For Sale
Not For Sale creates tools that engage business, government, and grassroots in order to incubate and grow social enterprises to benefit enslaved and vulnerable.26,412 followers | Follow
Soles4Souls
Changing the World One Pair at a Time® by partnering with Businesses, Orgs. & Individuals to collect & distribute 16 million pairs of shoes worldwide!25,954 followers | Follow
Intl Rescue Comm IRC
The International Rescue Committee (IRC) responds to the world’s worst humanitarian crises and helps people to survive and rebuild their lives.25,039 followers | Follow
Miss Representation
A documentary film. An international campaign. Pledge to represent the change you want to see for women & girls. Take action daily and tweet w/ #MissRep.20,407 followers | Follow
Chicago Architecture
Chicago Architecture Foundation: tours, exhibitions, programs, shop, family programs. Tweets by Jennifer.19,117 followers | Follow
WSPA International
The World Society for the Protection of Animals (WSPA) vision is a world where animal welfare matters and animal cruelty ends.18,344 followers | Follow
Invisible People
:: making everyone known :: founded by @haRdLyNOrMal :: WATCH http://bit.ly/s6lP13 :: homeless friends please follow @WeAreVisible & say hello18,313 followers | Follow
Mercy Corps
Mercy Corps turns crisis into opportunity for families in some of the world's toughest places.17,931 followers | Follow
Jonathan Wilson
Helping children after trauma through / art / story / games / play / song / dance / film / love / hope / people who care.16,781 followers | Follow
Innocence Project
The Innocence Project: Exonerating wrongfully convicted people through DNA and reforming the criminal justice system. Tweets from Barry Scheck are signed BCS.15,134 followers | Follow
Amazon CARES
Since 2004. Only domestic animal charity in Peru’s Amazon. Spay/Neuter, Education, Vet Trips, NO-KILL11,760 followers | Follow
Network for Good
We provide practical, free fundraising trainings for nonprofits, and resources and software that make it as easy to donate online as it is to shop online.11,117 followers | Follow
JBJ Soul Foundation
The Jon Bon Jovi Soul Foundation exists to combat issues that force families & individuals into economic despair11,090 followers | Follow
VolunteerMatch
VolunteerMatch connects good people to good causes. Most tweets by @silsen, w/periodic appearances by @volmatchRobert + @CaseyB. Also check out @VM_Solutions!10,899 followers | Follow
Social Actions
Our vision: A world in which expressions of generosity, empathy, and creativity are happening everywhere and take the form of meaningful action.10,775 followers | Follow
Mark Lovett
I believe that everyone deserves to live on a healthy planet, in peace and prosperity, using sustainability, human rights and respect as guiding principles.10,286 followers | Follow
Ellen Miller
Co-Founder and ED of Sunlight Foundation. Also founder of Center for Responsive Politics and Public Campaign. Money, power, influence and transparency expert.8,660 followers | Follow
Rebecca Joyce
Using twitter to bring people together from all over the world to #kickcancer. Put your best cancer kicking shoes/boots on and join the #kickcancercrew8,345 followers | Follow
Bettina Forbes
Giving Breastfeeding a Makeover and beating the BOOBY TRAPS so moms can achieve personal breastfeeding goals.8,108 followers | Follow
Robin Hood
Robin Hood holds steadfast to a single mission: To fight poverty in NYC. Follow #RHFunded to learn more about the 200+ NYC programs that Robin Hood supports.8,065 followers | Follow
KittenRescue
Kitten Rescue is a Los Angeles-based non-profit organization dedicated to saving homeless and abandoned cats, kittens, and dogs.7,424 followers | Follow
Living Water Int'l
LWI exists to demonstrate the love of God by helping communities acquire clean water, and to experience “living water”—the gospel of Jesus Christ.7,361 followers | Follow
Breast Cancer Action
National education and advocacy org working to end the breast cancer epidemic. Patients before profits, social justice, healthy environments.6,602 followers | Follow
Blog Action Day 2010
Asking the world to blog about water on October 15, 2010. Register at http://blogactionday.change.org.6,579 followers | Follow
Freelancers Union
Solidarity for disparate independents! Benefits, political action, resources, and community. Connect with our founder at @Sara_Horowitz.6,284 followers | Follow
Craigslist Fdn
We connect people to the resources they need to strengthen communities and neighborhoods.6,254 followers | Follow
Debra Drummond | WMA
Life Member of the Women Marines Association, a 501(c)3 non-profit and the only veterans association for and about women who have served as Marines6,030 followers | Follow
Mural Arts
The Philadelphia Mural Arts Program unites artists & communities through a collaborative process to create art that transforms public spaces & individual lives.5,584 followers | Follow
Dreams For Kids
Dreams for Kids...Replacing Charity with Opportunity, in a social entreprenuership based curriculum.5,442 followers | Follow
Reel Grrls
Empowering young women from diverse communities to realize their power, talent and influence through media production.5,271 followers | Follow
spiritjump
Spirit Jump is a grassroots nonprofit organization with a mission to provide hope and comfort to the many men, women, and children battling cancer4,922 followers | Follow
Pat Tillman Fnd
Official Pat Tillman Foundation Twitter. Pat's Run, Team Tillman, and Tillman Military Scholar news.4,645 followers | Follow
lisa @helpamotherout
Every baby deserves a clean diaper & no mom should have to choose between food or diapers. Small things = big impact. Tweets by co-founder/ed Lisa.3,937 followers | Follow
Second Harvest
Second Harvest's mission is to feed hungry people and work to solve hunger issues in our community.3,913 followers | Follow
ImermanAngels
1-on-1 Cancer Support | Connecting Cancer Fighters, Survivors and Caregivers 1-877-274-5529 Be active with: @TeamImerman3,724 followers | Follow
CARE Canada
CARE fights poverty & defends dignity by empowering the greatest agents of change: women & girls. With health, education, livelihoods, etc., we can change lives3,685 followers | Follow
Child's i Foundation
In Uganda, poverty, disease and violence lead to hundreds of children being abandoned. Child’s i is helping solve this endemic problem.3,595 followers | Follow
Joseph J. Iarocci
Incoming CEO, The Greenleaf Center for Servant Leadership: A more just & sustainable world starts with #leadership.2,982 followers | Follow
Riverkeeper
NY's Clean Water Advocate-Defending the Hudson River & protecting the drinking water supply of nine million New York City & Hudson Valley residents.2,928 followers | Follow
The Cat Network
A nonprofit organization that aids people in reducing the stray cat population by the humane trapping, low cost sterilization, and adoption of cats and kittens.2,842 followers | Follow
Mirjam Adolphi
Founder Haver Children’s Embassy in Ukraine, Orphanage; PR; Communication; Photo; Fundraising; Hebrew roots of Christianity. With love to God and children.2,518 followers | Follow
ImmunizeCOKids
We are the Colorado Children's Immunization Coalition, a nonprofit ensuring that kids get the vaccines they need to keep them healthy! ImmunizeForGood.com2,497 followers | Follow
good2gether
Visit www.good2gether.com and enter your email to become part of our preview program. In 2012 smartphones won’t just be smart, they’ll be good too.2,235 followers | Follow
Special Hockey Assn
Giving kids with disabilities a chance to learn and grow through ice hockey. Tweets by @mmiller209102,235 followers | Follow
kidsneedtoread
Providing inspiring books to underfunded schools, libraries, and literacy programs, especially those serving disadvantaged children2,132 followers | Follow
PANO (PA Nonprofits)
PANO, your partner for community benefit organization excellence. We are the state association for Pennsylvania 501 c 3's.1,949 followers | Follow
jennifer windrum
Cancer advocate. Politically incorrect movement to raise awareness & $$$ for #1 cancer killer & LEAST funded. ANYONE can get lung cancer. Ask my mom.1,792 followers | Follow
Cat Adoption Team
Founded in 1998, #CAT is the largest #nonprofit adoption guarantee cat-only #animal shelter in the Pacific NW. CAT found homes for 2,482 kitties in 2011.1,653 followers | Follow
Ethical Governance
Promoting Ethical Governance for a Sustainable Development1,575 followers | Follow
LifeSIGNS FirstSigns
The user-led self-harm & self-injury awareness voluntary organisation. Visit our refreshed Support Forum for friendly help.1,373 followers | Follow
Team JJ's List
Chicago non-profit where people who care review the disability awareness of businesses and services. Award-winning producer of autism documentary.1,356 followers | Follow
PathWays PA Policy
We advocate for policies helping women & families. Sign up for our newsletter at http://bit.ly/PathWaysNews, or find us on Facebook at facebook.com/PathWaysPA1,303 followers | Follow
Women With Drive
Nonprofit that helps women achieve financial & personal success by providing them w/the figurative & literal vehicle to independence! We've been there.1,154 followers | Follow
Woodlands Foundation
Nonprofit dedicated to enriching the lives of children with disability and chronic illness.1,146 followers | Follow
Clean Up the World
Clean Up the World inspires and empowers communities around the globe to clean up, fix up and conserve the environment.1,109 followers | Follow
Sharon Barber
Sharon is the full time volunteer director of Las Animas Helping Hands and is trying to find additional funding to help those in need in southeastern Colorado.1,082 followers | Follow
BhopalMedicalAppeal
UK charity funding clinics in Bhopal, India. The only places giving free health care to survivors of 1984 disaster as well as ongoing toxic water contamination970 followers | Follow
Bryn Mawr Film
A non-profit art house movie theater & film education center. Tweets by Devin, BMFI's PR Manager. http://www.facebook.com/brynmawrfilm882 followers | Follow
Career Wardrobe
Career Wardrobe helps women transition into the workforce by providing free and low-cost clothing and career strategy support.783 followers | Follow
TheFoodChain
Providing meals, groceries and nutritional support for people living with HIV in London751 followers | Follow
p/hop for MSF
An official knitting fund-raiser for Médecins Sans Frontières (MSF)/Doctors Without Borders. Opinions are mine, not necessarily MSFs.734 followers | Follow
Join The Fight: CHD
Join the fight: CHD was created to raise awareness for Congenital Heart Defects!689 followers | Follow
Community Voice Mail
CVM is an organization dedicated to ending poverty by connecting people to vital resources and services, expanding each community’s capacity to care.655 followers | Follow
Canary Foundation
The world’s first non-profit organization dedicated solely to the funding, discovery, and development of tests for early #cancer detection #CancerResearch643 followers | Follow
WeCanEndThis
Launched 03.04.10, we are a yearlong initiative to shift the conversation and create real, tangible solutions for hunger in America.568 followers | Follow
Smith Playground
Smith is dedicated to providing kids with free and accessible one-of-a kind play experiences that meet their physical, behavioral, and developmental needs.281 followers | Follow
IndigenousPitchDance
Dedicated to healing children through movement, visual and literary arts271 followers | Follow
Destination: Home
Destination: Home is solving the crisis of homelessness in the Silicon Valley.264 followers | Follow
ColoredPencilProject
Nonprofit: Children and their world in color, a global project.229 followers | Follow
RomeCapitolFYI
An information and interaction hub for NY State's Rome Capitol Theatre, a 1928 movie palace.118 followers | Follow
Spark the Wave
empowers, trains & mentors the next generation of leaders who will impact the world through a lifelong commitment to community service96 followers | Follow
