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2026 Book Club line-up

Book Club: 2026 Events

March 21, 2026
Tree Planting

Sierra Club Outings: Past, Present, and Future

February 14, 2026

Upcoming In-Office Volunteer Nights in 2026

February 12, 2026
Reasons for volunteering

Volunteering with the Sierra Club: Reasons to Get Involved

February 8, 2026
Every week, these dedicated Teams fight to stop the worst impacts of climate change, safeguard Wisconsin’s lands and wildlife, and ensure that when you turn on the tap, your water is safe to drink. And this week, they are asking you to support...

Support our Teams

August 13, 2025
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2024 Chapter Award Winners

November 13, 2024
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Thanking our Volunteers this Volunteer Awareness Week

September 12, 2024
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2023 Chapter Award Winners

October 25, 2023
Earth Month - Sierra Club

Celebrate Earth Day 2023 with Sierra Club Wisconsin!

February 28, 2023
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2022 Chapter Awards Winners

November 12, 2022
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Together, we make the difference

November 4, 2021
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2021 Chapter Award Winners

October 29, 2021
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Thank You and Recap from Wolf Awareness Week!

October 27, 2021
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From the North Star Chapter: There is still time to stop the NTEC fossil gas plant

September 13, 2021
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