World Resources Institute
National Climate Change
#3 Top Nonprofit
The World Resources Institute's mission is to move human society to live in ways that protect Earth’s environment and its capacity to provide for the needs and aspirations of current and future generations.

Americans for the Arts
National Arts & Culture
#3 Top Nonprofit
Americans for the Arts is focused on four primary goals: Lead and serve individuals and organizations to help build environments in which the arts and arts education thrive and contribute to more vibrant and creative communities.; Generate meaningful public and…

Pew Center on Global Climate Change
National Climate Change
#4 Top Nonprofit
The Pew Center on Global Climate Change's mission is to provide credible information, straight answers, and innovative solutions that address global climate change. The Pew Center provides a forum for objective research and analysis and for the development of pragmatic…

Environmental Defense Fund
National Climate Change
#5 Top Nonprofit
Environmental Defense Fund is dedicated to protecting the environmental rights of all people, including future generations. Since 1967, they have linked science, economics and law to create innovative, equitable and cost-effective solutions to society's most urgent environmental problems. Guided by…

World Wildlife Fund
National Climate Change
#8 Top Nonprofit
The World Wildlife Fund's mission is the conservation of nature. Using the best available scientific knowledge, they work to preserve the diversity and abundance of life on Earth and the health of ecological systems by protecting natural areas and wild…

Alliance for a Healthier Generation
National Childhood Nutrition/Health
#10 Top Nonprofit
The Alliance for a Healthier Generation works to address one of the nation’s leading public health threats—childhood obesity. The goal of the Alliance is to reduce the prevalence of childhood obesity by 2015, and to empower kids nationwide to make…

Action for Healthy Kids
National Childhood Nutrition/Health
#11 Top Nonprofit
To engage diverse organizations, leaders and volunteers in actions that foster sound nutrition and good physical activity in children, youth and schools.

Greenpeace
National Climate Change
#14 Top Nonprofit
Greenpeace's mission is to expose global environmental problems, ensure that the Earth is able to nurture life in all its diversity and promote solutions for future generations. Greenpeace, Inc. is the leading independent campaigning organization that uses peaceful direct action…

Share Our Strength (SOS)
National Childhood Nutrition/Health
#14 Top Nonprofit
Share our Strength is a national organization that works hard to make sure no kid in America grows up hungry.