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350Brooklyn is part of a worldwide mass movement to address the climate crisis. We stand with those around the world confronting the fires, hurricanes, droughts and poisoned air, water and land of climate change and industrial pollution on a daily basis. We stand with the citizens, students, governments, scientists, engineers, nurses, farmers and everyone in between, fighting for solutions.

Stand with us. We need marchers, writers, artists, researchers, fundraisers, organizers, speakers, and more. We need your concern, your skills and abilities, your passion and commitment. Whether it’s one hour a month or a few hours a day – whatever is right for you – we’re so excited to have you.

Filling this form will subscribe you to our newsletter as well as letting us know what you’re interested in working on so we can help you get plugged in to our organization

Action you can take TODAY

Action you can take TODAY!

Power Hour for SUNNY Act!

Join the Power Hour crew and allies on Monday, November 10 at noon for the kickoff of one of our newest campaigns: the Solar Up New York Now (SUNNY) Act!

Take action

Sign the petition for Green and Healthy Schools

Join the Climate Works for All coalition and sign the petition to tell our next mayor: we need Green, Healthy Schools to ensure the future of New York City’s climate, children, education system, and workforce.

Take action

Join the Plastic Free July Challenge

Take action

Hochul: Build public renewables now!

Sign the petition to urge Governor Hochul to build publicly owned renewable energy! We’ve fought long and hard for the 2023 Build Public Renewables Act and the landmark 2019 CLCPA law but Hochul is not enforcing them. That has to change!

Take action

Join the Power Hour every Monday!

Got just an hour or two a week to fight climate breakdown? Join our weekly Power Hours, where we get the attention of people in power and demand change!

Take action

Gov Hochul: Fight Trump’s Climate Arson With Public Renewables!

Tell Governor Hochul to fight Trump’s disastrous climate policy’s using New York’s Build Public Renewables law. We’ve got a letter you can send here.

Take action

Other ways to connect

Come to an Event

The core of our work is rooted in activism and there’s always something happening. We organize or participate in events of all kinds – marches and protests, town hall meetings, educational lectures, phone banks, socials, and more. Check out the calendar for upcoming events or sign up to the newsletter for event updates straight to your inbox.

Attend a Monthly Meeting

The 350Brooklyn monthly general meeting takes place on the 2nd Thursday of each month. Each meeting features an interesting speaker and is a chance to hear from our workgroups and ongoing campaigns.
Coronavirus Update: Monthly meetings will be held via Zoom until further notice. Meeting links will go out in our newsletter, or keep an eye on our calendar.

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Support our work financially

350Brooklyn works on a lean budget with only one part-time employee that provides administrative support. All contributions go directly towards supporting our campaigns, and are tax-deductible in the United States.

Our costs include items like printing, renting a space, hosting of our website, and occasional payments to a skilled professional like a photographer or sound engineer. Your financial support is greatly needed and appreciated. It supports all of our efforts to grow and build a completely autonomous, democratic organization.

Donate to 350Brooklyn

350Brooklyn operates as a registered 501c3 non-profit organization under the umbrella organization Social Good Fund. The EIN/Tax ID is 46-1323531. Additional financial information here.