LEAD STORY
Home Carbon Check
Count power, heat, travel, and food in minutes.
CARBON ACTION
Cut Emissions, Act Together
Use free carbon calculators, clear reduction guides, and local campaigns to cut waste at home, at work, and in your town.
FROM THE JOURNAL
Featured stories and tools
Count power, heat, travel, and food in minutes.
EDITOR'S PICK
Local Wins Map
FOR TEAMS
Business Carbon Plan
01STEP 01
01 Cut Power Use
Lower bills with lights, plugs, and heat fixes.
02STEP 02
02 Trim Travel Miles
Swap short drives for walk, bike, bus, and rideshare.
03STEP 03
03 Fund Local Trees
Support planting crews, care work, and clean air.
READ NEXT
Reduction Guides
READ NEXT
TAKE ACTION
Volunteer Signups
TAKE ACTION
TOPICS
Pick a path to act
Find low-cost fixes for heat, lights, and drafts.
GUIDE
Home Energy
Find low-cost fixes for heat, lights, and drafts.
TIPS
Food Waste
Use less waste at meals, stores, and events.
GUIDE
Clean Commutes
Walk, bike, bus, and carpool with less stress.
TRENDS
Tree Projects
See where planting crews need hands and funding.
calculator uses this month
1,250
calculator uses this month
action guides published
84
action guides published
partner groups listed
37
partner groups listed
Community
Customer notes
Verified
“We cut our office waste fast because the steps were plain and easy to follow.”
M
Maya Chen
Operations Lead, North Loop Studio
Verified
“Our school challenge got signups on day one, and the tracking page kept it simple.”
J
Jordan Patel
Community Organizer, Riverstone School
Verified
“The tree drive page helped our neighbors show up and give money in the same week.”
E
Elena Rivera
Volunteer Chair, Lakeview Neighbors
SPOTLIGHT
Campaigns, projects, partners
Compare projects by type, place, and care plan.
SPOTLIGHT
Offset Project Directory
Compare projects by type, place, and care plan.
02THIS WEEK
Volunteer Calendar
Pick a date for cleanups, tree care, or tabling.
03GIVE
Donation Pages
Give to a cause or share a fund goal with others.
FOR TEAMS
Partner Pages
Show your climate work in one simple page.
05REGION
Pacific Northwest
Local stories and action picks from Seattle to Portland.
06REGION
Bay Area Transit
Bike lanes, rail work, and low-carbon trips across the bay.
07FOR SCHOOLS
School Challenge Kit
Pledge cards, lesson ideas, and class goals.
08SHORT LIST
Weekend Jobs
Fast tasks you can do before Monday.
Questions
Common questions
Quick answers before visitors choose a product, service, or next step.
01Is Carbon Crowd free to use?+
Yes. The main guides, calculators, and story pages are free to read. Some partner and donate pages are for support.
02Who should use these tools?+
People, schools, nonprofits, and small businesses can use them to plan cuts, join campaigns, and share progress.
03Do I need a big budget?+
No. Many tips cost little or nothing, so you can cut waste first and add bigger steps when you are ready.
04Can my group join a challenge?+
Yes. Group challenges are open to clubs, teams, and local groups that want a simple goal and a shared page.
05Do you list offset projects?+
Yes. We list offset projects with clear notes so you can compare goals, locations, and project type.
06How do I get updates?+
Join the newsletter to get fresh guides, campaign notes, and new volunteer or donation pages each week.
Get weekly climate notes
Get one short email each week with new guides, campaign notes, and clear ways to cut emissions at home, at work, and in your town.