1Sky is a collaborative national campaign for bold climate policy. 1Sky’s allies include 350 organizations from all sectors of society and more than 130,000 committed climate advocates who support policies in line with the 1Sky policy platform. 1Sky also has 25 organizers in 20 states, and more than 150 Congressional districts covered by volunteer Climate Precinct Captains.

350 is the red line for human beings, the most important number on the planet. The most recent science tells us that unless we can reduce the amount of carbon dioxide in the atmosphere to 350 parts per million, we will cause huge and irreversible damage to the earth. But solutions exist. All around the world, a movement is building to take on the climate crisis, to get humanity out of the danger zone and below 350. This movement is massive, it is diverse, and it is visionary. We are activists, scholars, and scientists. We are leaders in our businesses, our churches, our governments, and our schools. We are clean energy advocates, forward-thinking politicians, and fearless revolutionaries. And we are united around the world, driven to make our planet livable for all who come after us.

Action Against Hunger / Action Contre la Faim (ACF), an international relief and development organization committed to saving the lives of malnourished children and families, provides sustainable access to safe water and long-term solutions to hunger. For nearly three decades, ACF has pursued its vision of a world without hunger by combating hunger in emergency situations of conflict, natural disaster, and chronic food insecurity.

The American Federation of Labor and Congress of Industrial Organizations (AFL-CIO) is a voluntary federation of 56 national and international labor unions. The AFL-CIO union movement represents 10.5 million members, including 2 million members in Working America, its new community affiliate. We are teachers and truck drivers, musicians and miners, firefighters and farm workers, bakers and bottlers, engineers and editors, pilots and public employees, doctors and nurses, painters and laborers-and more.

Africa Action is a national organization that works for political, economic and social justice in Africa. Through the provision of accessible information and analysis combined with the mobilization of public pressure we work to change the policies and policy-making processes of U.S. and multinational institutions toward Africa. The work of Africa Action is grounded in the history and purpose of its predecessor organizations, the American Committee on Africa (ACOA), The Africa Fund, and the Africa Policy Information Center (APIC), which have fought for freedom and justice in Africa since 1953. Continuing this tradition, Africa Action seeks to re-shape U.S. policy toward African countries.

Our mission is to connect people, who, through personal and social transformation, aim to build a just, peaceful, and sustainable world, reflecting the unity of all humanity.

The Alliance recognizes at the core of its vision the unity of all life, and a wholehearted adherence to the noblest aspirations of humankind, as proclaimed in all spiritual and humanist traditions that call for compassion and the celebration of life. The values and principles of the emerging movement for a new humanity, and of the Alliance, which is trying to serve it, are based upon the support of policies, causes and actions that favor respect for life, human dignity, freedom, ecological sustainability and peace.

The Alliance for Climate Protection is undertaking an unprecedented mass persuasion exercise based on scientific facts. Through a new combination of non-partisan alliances with Americans from all walks of life and innovative and far-reaching communication techniques the Alliance will focus on presenting the facts about climate change and its solutions to the general public in an accurate, clear and compelling manner.

The ACLU conserves America's original civic values working in courts, legislatures and communities to defend and preserve the individual rights and liberties guaranteed to every person in the United States by the Constitution and the Bill of Rights.

The American Friends Service Committee is a practical expression of the faith of the Religious Society of Friends (Quakers). Committed to the principles of nonviolence and justice, it seeks in its work and witness to draw on the transforming power of love, human and divine.

ANP is passionately dedicated to producing online video journalism that matters.

American Rights at Work is a nonprofit advocacy organization dedicated to promoting the freedom of workers to organize unions and bargain collectively with employers. Through action, research findings, and outreach inside and outside of the labor community, we expose injustice in the workplace and fight for the rights of America's workers.

As a leading advocate, American Rights at Work is a readily available resource on workers' rights and labor-related issues. We can also connect you with other advocates, policy experts, activists and figures within the labor movement.

American Rivers is the only national organization standing up for healthy rivers so our communities can thrive. Through national advocacy, innovative solutions and our growing network of strategic partners, we protect and promote our rivers as valuable assets that are vital to our health, safety and quality of life.

Founded in 1973, American Rivers has more than 65,000 members and supporters nationwide, with offices in Washington, DC and the Mid-Atlantic, Northeast, Midwest, Southeast, California and Northwest regions.

ADA is America's most experienced independent liberal lobbying organization. In the spirit of the New Deal and ADA founders Eleanor Roosevelt, renowned economist John Kenneth Galbraith, and former Senator and Vice President Hubert Humphrey we lobby through coalition partnerships, through direct advocacy, and through the media.

Americans for Safe Access is the nation's largest organization of patients, medical professionals, scientists and concerned citizens promoting safe and legal access to cannabis for therapeutic use and research.

Americans United is a religious liberty watchdog group based in Washington, D.C. Founded in 1947, the organization educates Americans about the importance of church-state separation in safeguarding religious freedom.

Amnesty International is a worldwide movement of people who campaign for internationally recognized human rights for all. Our supporters are outraged by human rights abuses but inspired by hope for a better world - so we work to improve human rights through campaigning and international solidarity. We have more than 2.2 million members and subscribers in more than 150 countries and regions and we coordinate this support to act for justice on a wide range of issues.

We are people from across the world standing up for humanity and human rights. Our purpose is to protect people wherever justice, freedom, truth and dignity are denied. We investigate and expose abuses, educate and mobilize the public, and help transform societies to create a safer, more just world.

The Apollo Alliance is a coalition of business, labor, environmental, and community leaders working to catalyze a clean energy revolution in America to reduce our nation’s dependence on foreign oil, cut the carbon emissions that are destabilizing our climate, and expand opportunities for American businesses and workers.

ACORN, the Association of Community Organizations for Reform Now, is the nation's largest community organization of low- and moderate-income families, working together for social justice and stronger communities. Since 1970, ACORN has grown to more than 350,000 member families, organized in 850 neighborhood chapters in over 100 cities across the U.S. and in cities in Argentina, Peru, Mexico, the Dominican Republic and Canada.

Now in its second century, Audubon connects people with birds, nature and the environment that supports us all. Our national network of community-based nature centers, chapters, scientific, education, and advocacy programs engages millions of people from all walks of life in conservation action to protect and restore the natural world.

Avaaz.org is a new global web movement with a simple democratic mission: to close the gap between the world we have, and the world most people everywhere want. "Avaaz" means "Voice" in many Asian, Middle Eastern and Eastern European languages. Across the world, most people want stronger protections for the environment, greater respect for human rights, and concerted efforts to end poverty, corruption and war. Yet globalization faces a huge democratic deficit as international decisions are shaped by political elites and unaccountable corporations -- not the views and values of the world's people.

Beyond Nuclear aims to educate and activate the public about the connections between nuclear power and nuclear weapons and the need to abandon both to safeguard our future. Beyond Nuclear advocates for an energy future that is sustainable, benign and democratic.

BORDC's mission is to promote, organize, and support a diverse, effective, national grassroots movement to restore and protect civil rights and liberties guaranteed by the Bill of Rights. Our purpose is to educate people about the significance of those rights in our lives; to encourage widespread civic participation; and to cultivate and share the organizing tools and strategies needed for people to convert their concern, outrage, and fear into debate and action to restore Bill of Rights protections.

The Brady Center to Prevent Gun Violence and its legislative and grassroots affiliate, the Brady Campaign and its dedicated network of Million Mom March Chapters, is the nation's largest, non-partisan, grassroots organization leading the fight to prevent gun violence.

We are devoted to creating an America free from gun violence, where all Americans are safe at home, at school, at work, and in our communities.

Bread for the World is a collective Christian voice urging our nation's decision makers to end hunger at home and abroad. By changing policies, programs and conditions that allow hunger and poverty to persist, we provide help and opportunity far beyond the communities in which we live.

The Breakthrough Institute is a small think tank with big ideas. Breakthrough is committed to creating a new progressive politics, one that is large, aspirational, and asset-based. We believe that any effective politics must speak to core needs and values, not issues and interests, and we thus situate ourselves at the intersection of politics, policy, philosophy, and the social sciences.

The Brennan Center for Justice at New York University School of Law is a non-partisan public policy and law institute that focuses on fundamental issues of democracy and justice. Our work ranges from voting rights to redistricting reform, from access to the courts to presidential power in the fight against terrorism.

The California Nurses Association, and its national arm, the National Nurses Organizing Committee, is one of the nation's premiere nurses' organizations and health care unions. One of the fastest growing health care organizations in the U.S., CNA/NNOC presently has 80,000 members in 50 states, representing nurses at scores of hospitals, clinics, and home health agencies.

Campaign for a Commercial-Free Childhood is a national coalition of health care professionals, educators, advocacy groups, parents, and individuals who care about children.  Headquartered at the Judge Baker Children's Center in Boston, CCFC is the only national organization devoted to limiting the impact of commercial culture on children.

The Campaign for America’s Future is the strategy center for the progressive movement. Our goal is to forge the enduring progressive majority needed to realize the America of shared prosperity and equal opportunity that our country was meant to be.

Campaign for Innocent Victims in Conflict (CIVIC) advocates on behalf of victims of armed conflict, working to ensure they receive recognition and assistance from warring parties. CIVIC persuaded the US Congress to establish programs for war victims in Afghanistan and Iraq, guides victims to assistance, brings the human cost of war to the attention of policymakers and the public, and is advocating a new global standard of conduct that warring parties should help where they have hurt.

CARE is a leading humanitarian organization fighting global poverty. We place special focus on working alongside poor women because, equipped with the proper resources, women have the power to help whole families and entire communities escape poverty. Women are at the heart of CARE's community-based efforts to improve basic education, prevent the spread of HIV, increase access to clean water and sanitation, expand economic opportunity and protect natural resources. CARE also delivers emergency aid to survivors of war and natural disasters, and helps people rebuild their lives.

The Center for American Progress is a think tank dedicated to improving the lives of Americans through ideas and action. We combine bold policy ideas with a modern communications platform to help shape the national debate, expose the hollowness of conservative governing philosophy, and challenge the media to cover the issues that truly matter.

The Center for Arms Control and Non-Proliferation is a Washington, D.C.-based 501(c)3 non-profit, non-partisan research organization dedicated to enhancing international peace and security in the 21st century. The Center is funded by grants from private foundations and the generosity of thousands of individual donors.

At the Center for Biological Diversity, we believe that the welfare of human beings is deeply linked to nature - to the existence in our world of a vast diversity of wild animals and plants. Because diversity has intrinsic value, and because its loss impoverishes society, we work to secure a future for all species, great and small, hovering on the brink of extinction. We do so through science, law, and creative media, with a focus on protecting the lands, waters, and climate that species need to survive.

The Center for Community Change strengthens, connects and mobilizes grassroots groups to enhance their leadership, voice and power.  We believe that vibrant community-based organizations, led by the people most affected by social and economic injustice, are key to putting an end to the failed "on your own" mentality of the right and building a new politics based on community values.

The Center for Constitutional Rights is dedicated to advancing and protecting the rights guaranteed by the United States Constitution and the Universal Declaration of Human Rights. Founded in 1966 by attorneys who represented civil rights movements in the South, CCR is a non-profit legal and educational organization committed to the creative use of law as a positive force for social change.

The Center for Defense Information (CDI) provides expert analysis on various components of U.S. national security, international security and defense policy. CDI promotes wide-ranging discussion and debate on security issues such as nuclear weapons, space security, missile defense, small arms and military transformation.

The Center for Democracy and Technology works to promote democratic values and constitutional liberties in the digital age. With expertise in law, technology, and policy, CDT seeks practical solutions to enhance free expression and privacy in global communications technologies. CDT is dedicated to building consensus among all parties interested in the future of the Internet and other new communications media.

The Center for Economic and Policy Research (CEPR) was established in 1999 to promote democratic debate on the most important economic and social issues that affect people's lives. In order for citizens to effectively exercise their voices in a democracy, they should be informed about the problems and choices that they face. CEPR is committed to presenting issues in an accurate and understandable manner, so that the public is better prepared to choose among the various policy options.

The nonprofit Center for Media and Democracy strengthens participatory democracy by investigating and exposing public relations spin and propaganda, and by promoting media literacy and citizen journalism, media "of, by and for the people." Our programs include PR Watch, a quarterly investigative journal; six books by CMD staff; Spin of the Day; the Weekly Spin listserv; and, Congresspedia and SourceWatch, part of our wiki-based investigative journalism collaborative to which anyone, including you, can contribute.

The Center for Public Integrity is a nonprofit organization dedicated to producing original, responsible investigative journalism on issues of public concern. The Center is non-partisan and non-advocacy. We are committed to transparent and comprehensive reporting both in the United States and around the world.

Since 1971, the Center for Science in the Public Interest has been a strong advocate for nutrition and health, food safety, alcohol policy, and sound science.

The Center on Budget and Policy Priorities is one of the nation’s premier policy organizations working at the federal and state levels on fiscal policy and public programs that affect low- and moderate-income families and individuals.

The Children & Nature Network (C&NN) was created to encourage and support the people and organizations working to reconnect children with nature. C&NN provides access to the latest news and research in the field and a peer-to-peer network of researchers and individuals, educators and organizations dedicated to children's health and well-being.

The Children's Defense Fund (CDF) is a non-profit child advocacy organization that has worked relentlessly for 35 years to ensure a level playing field for all children. We champion policies and programs that lift children out of poverty; protect them from abuse and neglect; and ensure their access to health care, quality education, and a moral and spiritual foundation.

Citizens for Responsibility and Ethics in Washington (CREW) is a nonprofit 501(c)(3) organization dedicated to promoting ethics and accountability in government and public life by targeting government officials -- regardless of party affiliation -- who sacrifice the common good to special interests. CREW advances its mission using a combination of research, litigation and media outreach.

Citizens Trade Campaign is a coalition of labor, environmental, religious, family farm, civil society and consumer organizations united in the pursuit of social and environmental justice in trade policy. Formed in 1992 to reform NAFTA, our more than fourteen million combined members support trade policy that reflects the interests of a majority of people in America, and across the world.

The nonprofit and nonpartisan Civil Society Institute (http://www.CivilSocietyInstitute.org) is a think tank that serves as a catalyst for change by creating problem-solving interactions among people, and between communities, government and business that can help to improve society. Since 2003, CSI has conducted more than 20 major surveys and reports on energy and auto issues, including vehicle fuel-efficiency standards, consumer demand for hybrids/other highly-fuel efficient vehicles, global warming and renewable energy.

CODEPINK is a women-initiated grassroots peace and social justice movement working to end the war in Iraq, stop new wars, and redirect our resources into healthcare, education and other life-affirming activities. CODEPINK rejects the Bush administration's fear-based politics that justify violence, and instead calls for policies based on compassion, kindness and a commitment to international law. With an emphasis on joy and humor, CODEPINK women and men seek to activate, amplify and inspire a community of peacemakers through creative campaigns and a commitment to non-violence.