CO2 NOW AT 422 PPM ★ 4,820 ACTIONS LOGGED THIS MONTH ★ FRIDAY POP-UP / BROOKLYN WAREHOUSE ★ SOLAR CHEAPER THAN COAL IN 90% OF MARKETS ★ WELCOME, CARBON-CURIOUS ★ 312 KITS SHIPPED IN MARCH ★ CO2 NOW AT 422 PPM ★ 4,820 ACTIONS LOGGED THIS MONTH ★ FRIDAY POP-UP / BROOKLYN WAREHOUSE ★ SOLAR CHEAPER THAN COAL IN 90% OF MARKETS ★ WELCOME, CARBON-CURIOUS ★ 312 KITS SHIPPED IN MARCH ★

Members-only / since 2026

A speakeasy for the carbon-curious. We meet, we plot, we party — and we draw the atmosphere down, one Friday at a time.

3,118 members 14 chapters 99 rituals

Rule 01

If the carbon goes down,

the volume goes UP.

No. 422

PPM

the number
we're hunting

01

JOY
IS
STRATEGY

DOOM
IS
BORING

02

We don't do guilt.

Climate guilt makes good people quiet. We're the loud ones. We throw parties on rooftops with solar panels and we mean every watt.

03

Action is contagious.

One member installs a heat pump and three neighbors follow. Spread it like glitter at a parade.

04

Carbon is the
house drink.

We measure it, we cut it, we toast every milligram off the curve. The bar is open until 1.5 degrees.

— RITUALS / programming

FRIDAY
NIGHTS
HIT DIFFERENT

EVERY FRIDAY · 19:00

The Ledger

A members-only carbon accounting ritual. We log the week's wins on a giant chalkboard. Free oat negronis.

Brooklyn · Berlin · Seoul

FIRST SATURDAY

Heat Pump Brunch

Pancakes plus a 40-minute teach-in on residential electrification. Bring your utility bill.

8 chapters running

LAST WEDNESDAY

Atmospheric Karaoke

Sing, stomp, lobby. We mash up disco classics with a 90-second pitch to your local representative.

Members + 1

ROLLING / 24-7

The Group Chat

Three-thousand carbon-curious humans, one signal thread. Solar permits, e-bike memes, election push.

Always on

— THE PEOPLE / 3,118 strong

A CLUB OF
FRIENDLY
TROUBLEMAKERS

#

Asha M.

Brooklyn chapter · joined Mar '26

"I came for the negronis. I stayed because we passed a heat-pump ordinance."

Devon K.

Berlin chapter · joined Sep '25

"I host atmospheric karaoke. Yes, that's a real job now."

#

Yui T.

Seoul chapter · joined Jan '26

"Four badges. Three solar installs on the block. Zero regrets."

Marco P.

Lisbon chapter · joined Nov '25

"We turned a dead alley into a community garden. The gelato came after."

— Last call

KNOCK
THREE TIMES.

Membership is free. Membership is a choice. We meet on Fridays and we send you one good email a week.

A whisper, never a shout. Unsubscribe with one click.