We’re Still In Paris

The “We Are Still In” movement is a series of collective undertakings by US state and local governments, businesses, organizations and individuals affirming that they are acting to uphold their share of the US commitment to the 2015 Paris Climate agreement to reduce greenhouse gas emissions.  This movement arose following the decision of the Trump Administration in 2017 to withdraw US commitment to the agreement. The following are the major entities in this movement.


We Are Still In encompasses 2,700 leaders from America’s city halls, state houses, boardrooms, and college campuses who have signed the “We Are Still In” declaration since its initial release on June 5, 2017. This network of networks represents more than 127 million Americans from all 50 states and $6.2 trillion of the U.S. economy. We Are Still In claims to be the largest cross-section of local leaders in support of climate action in the United States.

We Are Still In is an effort coordinated by The American Sustainable Business Council, B Team, Bloomberg Philanthropies, Center for American Progress, Ceres, CDP, Climate Mayors, Climate Nexus, C40, C2ES, Environmental Defense Fund, Environmental Entrepreneurs, Georgetown Climate Center, ICLEI, National League of Cities, Rocky Mountain Institute, Second Nature, Sierra Club, Sustainable Museums, The Climate Group, We Mean Business, and World Wildlife Fund (WWF).


America’s Pledge is an initiative spearheaded by Former New York Mayor and UN Special Envoy Michael Bloomberg and California Governor Jerry Brown, working in parallel with We Are Still In to compile and tally the climate actions of states, cities, colleges, businesses, and other local actors across the entire U.S. economy. America’s Pledge seeks to compile and quantify the actions of states, cities and businesses in the United States to drive down their greenhouse gas emissions consistent with the goals of the Paris Agreement.

The America’s Pledge initiative will aggregate the commitments of these and other “non-Party actors” in a report on the full range of climate-related activities across the whole of U.S. society. The process of developing America’s Pledge will also provide a roadmap for increased climate ambition from U.S. states, cities, businesses and others, and will transparently demonstrate to the international community how and in which ways these entities can help the U.S. deliver on its pledge under the Paris Agreement.


San Francisco, California, September 12 – 14, 2018.

The Global Climate Action Summit (GCAS) was held in San Francisco to bring together leaders from state, tribal, and local governments; business; and citizens from around the world to showcase climate action taking place around the world and inspire deeper commitments from each other and from national governments in support of the Paris Agreement.  Attendance was by invitation only, though affiliated events around the San Francisco Bay Area were open. The conferences speakers and breakout sessions were divided into five main themes, including:
– Healthy Energy Systems
– Inclusive Economic Growth
– Sustainable Communities
– Land and Ocean Stewardship
– Transformative Climate Investments.

The Summit was a collaboration among several groups and individuals, representing the global spectrum of non-state actors. The co-chairs were (then) California Governor Edmund G. Brown Jr., Michael Bloomberg, Patricia Espinosa, and Anand Mahindra—each of whom helped connect the event with their respective organizations. At the summit, 29 philanthropies announced commitments of $4 billion to combat climate change over the following 4 years; In addition, 500+ government and corporate entities announced commitments to reduce emissions.

The Summit was timed to occur at the midpoint between the signing of the Paris Agreement in 2015 in which signatories vowed to limit global temperature rise to no more than 2 degrees Celsius, and the UN’s 2020 scheduled step, when countries will bolster their commitments.  A subsequent summit was held in New York at the United Nations on September 23, 2019, to maintain the focus of governments on their commitments and to accelerate their actions on climate change. 


In April 2018, Catholic Climate Covenant launched a new nationwide campaign (Catholics Are Still In) to garner the U.S. Catholic community’s support for climate action. With partners, they developed the U.S. Catholic Climate Declaration, which expresses the Catholic imperative to protect and promote human life and human dignity, especially among the poorest and most vulnerable peoples, by protecting our common home and acting on climate change.

The U.S. Catholic Climate Declaration is an expression of solidarity with the We Are Still In campaign which began in June 2017, after President Trump announced his intention to withdraw the U.S. from the 2015 Paris Climate Agreement. Over 2,600 institutions have joined the We Are Still In campaign thus far, representing the largest cross-section of American society ever to support climate action.

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