We cover Westchester, Rockland and Putnam counties in New York State’s Hudson Valley, just north of New York City. The Sierra Club is America’s earliest grassroots environmental organization, and it’s run by volunteers. We welcome your participation!

Great News from Rockland!

The NY Public Service Commission ordered Suez (formerly United Water NY) to abandon its desalination project on December 17, 2015. For more info, go to our Rockland Sierra Club page.

Climate Justice Organizing Meeting

New Film from Josh Fox: How to Let Go of the World...

Monday, March 14, 2015 - Doors open at 6:00, movie at 6:30pm
Manhattanville College, The O'Byrne Chapel

The film is "How to Let Go of The World (And Love All the Things Climate Can't Change)", by Josh Fox, who made "Gasland", the powerful film that help galvanize New Yorkers against fracking in our state, culminating in Gov. Cuomo's 2015 ban.

Josh will answer questions after the movie.

The movie premiered at the 2016 Sundance Film Festival.

This event is co-sponsored by SAPE, SEnRG, Sierra Club Lower Hudson Group, Rockland Water Coalition, Connie Hogarth Center for Social Action at Manhattanville College, and WESPAC. Manhattanville College is located at 2900 Purchase St, Purchase, NY 10577.

Suggested donation is $10. Chapel. This event is free and open to the public.

Click here for Facebook link.

Tuckahoe's Toxic Trench

A proposed Brownfield Development in Tuckahoe at the Old Marbledale Road Quarry Dump may cause toxic air emissions that pose a health threat to area residents. Residents of Bronxville and Eastchester should be concerned, as well as Tuckahoe residents, since the geology of the area will cause disturbed contaminants to flow in the groundwater beyond the Tuckahoe area. READ MORE...

Meet Our Members on Video

Go Solar and Support Us!

This is a great time to make the switch to solar power. 

When you go solar, you may see an immediate difference in your electric bill, plus you'll be helping the Sierra Club: Sungevity will donate $750 which will support both the Atlantic Chapter (NY state) and the Lower Hudson Group.

Call Sungevity at 844-815-5614 and they'll help you decide if your home is a good candidate for a solar system. Their experts will pick the best spot to install the panels, where they will collect the most sunshine and make your roof look beautiful. 

*Offer valid for new customers only. Offer is non-transferable and cannot be combined with other offers or promotions, or redeemed for cash. A donation of $750 will be made to Sierra Club within 30-90 days of interconnection.