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Did you know? Research shows that 3.6 billion people live in areas highly susceptible to climate change, according to the World Health Organization.

If you want to fight back — even in a small way — meet Climb 4 Climate, a local nonprofit on a mission to make a difference. Here’s the scoop on their first stadium stair-climbing challenge:

What: Climb 30 rows of concrete seats
Where: All 37 sections of Harvard Stadium
When: Saturday, Aug. 10
How: Early bird registration is $25 for adults ($40 after Aug. 8), and $15 for students ages 13-18 ($25 after Aug. 9); all participants will commit to fundraising minimums ($250 for adults and $150 for students) to support the cause.

Bonus: After the climb, you can enjoy the Climb 4 Climate "Festivo," featuring food trucks, live music, and climate action exhibits. Not a climber? You can still help by sharing the event or volunteering.

Climb for a cause