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Join the Sierra ClubWhy become a member? Explore, Enjoy and Protect

Make Your Pledge

What’s a Footprint?

Read the Sierra article

Take the Redefining Progress Quiz

Sierra Club
Consumption Committee

What else can I do?

What’s An Acre?

What is an acre exactly? Translate it into terms nearer and dearer to you.

Select a measurement to see the savings:


All Pledges
showering 3 minutes less per day 40.800
eating a vegetarian dinner instead of meat 198.500
driving less per week 108.900
setting the thermostat 5 degrees lower 69.600
increasing their consumption of organically grown food 32.200
increasing their consumption of unprocessed and unpackaged food 92.100
increasing their consumption of locally grown food 59.200
flying less per year 81.600
drying laundry on the clothesline 25.100

Together we've saved 708.000 acres