The Adirondack Mountain Club (ADK) presented their Conservationis of the Year Award on June 7th. The awardee was a member of the Sierra Club. Click here to find our who won the award.

This is the statement that the Atlantic Chapter released to the public regarding the NYS budget for 2027.

You can find a selection of Letters to the Editor (LTEs) under the green "Letters to the Editor" tab on this homepage. If you'd like to join our letter writing team, please contact us at niagarasierra@gmail.com.

People across Western New York state are much more aware of the financial and environmental risks that data center development presents. Learn more about the STAMP fight here.

In this blog, our Chair of Niagara Group Transportation Committee describes the nuts and bolts of how local advocacy works.

Our entire newsletter is available here in pdf format for you to download.

Get the latest report on STAMP from the Vice Chair of Sierra Club Niagara!

New York State released its State Energy Plan (SEP) in December, 2025. To learn more from the Chapter Energy Chair, check out this blog.

Last fall, Sierra Club Niagara forced the company planning to build a large data center in an environmentally and culturally sensitive area of Genesee County to withdraw their plans. Now they are planning a much larger data center at STAMP.

There is lots of misunderstanding about the All Electric Buildings Act. Click the title above to get the facts.