https://www.facebook.com/SFEnvironment/

Journey to Zero-Waste
https://www.facebook.com/groups/journeytozerowaste/

Elgin Green Groups350 (EGG350 for short!)
https://www.facebook.com/groups/elgingreengroups/

Earth911
https://www.facebook.com/Earth911/

Chicago 350
https://www.facebook.com/Chicago350.org/

Vegetarian & Vegan Recipes
https://www.facebook.com/groups/34899599583/

Attainable Sustainable 
https://www.facebook.com/attainablesustainable/

Civil Eats
https://www.facebook.com/pg/CivilEats/

National Sustainable Agriculture Coalition
https://www.facebook.com/sustainableag/

Metropolitan Water Reclamation District of Greater Chicago
https://www.facebook.com/MetropolitanWaterReclamationDistrict

Buffalo Grove Environmental Action Team 
https://www.facebook.com/BG.EAT/

Illinois Department of Natural Resources
https://www.facebook.com/IllinoisDNR/

Environmental Media Association
https://www.facebook.com/green4ema/

Active Transportation Alliance
https://www.facebook.com/activetrans/

A Peaceful Planet
https://www.facebook.com/A-Peaceful-Planet-505331289511345/

Solid Waste Agency of Northern Cook County
https://www.facebook.com/swancc23/

Green Park Ridge - A Go Green Group
https://www.facebook.com/gogreenparkridgeillinois/

The Story of Stuff Project
https://www.facebook.com/storyofstuff/

Greenpeace International
https://www.facebook.com/greenpeace.international/

Sustainable Human
https://www.facebook.com/SustainableMan/

Northwest Suburbs Environmental
https://www.facebook.com/groups/649276468565353/

Living Green in Elk Grove Village
https://www.facebook.com/groups/1628547957415186/

Zero Waste Minimalist
https://www.facebook.com/groups/zwminimalists/

Action for a Better Tomorrow
https://www.facebook.com/groups/1143275945748752/

Team Sierra
https://www.facebook.com/groups/TeamSierraClub/

the minimalist collective
https://www.facebook.com/groups/622380691281369/

Green Technology Organization of Greater Chicago
https://www.facebook.com/groups/137598999587975/

Chicago Green Festival
https://www.facebook.com/groups/73729490976/

Urban Worm Girl 
https://www.facebook.com/groups/UrbanWormGirl/

The Non-Consumer Advocate
https://www.facebook.com/groups/thenonconsumeradvocate/

Go Green FaceSpace
https://www.facebook.com/groups/6566461086/

Illinois Green Party
https://www.facebook.com/groups/ILGreenParty/

The Environmental Defenders of McHenry County
https://www.facebook.com/EnvironmentalDefenders/

Sierra Club
https://www.facebook.com/SierraClub/

Clean Energy Authority
https://www.facebook.com/cleanenergyauthority/

Ocean Conservancy
https://www.facebook.com/oceanconservancy/

Sustainable Living & Design
https://www.facebook.com/permaculture.design/

Climate Central
https://www.facebook.com/climatecentral/

National Parks Conservation Association
https://www.facebook.com/NationalParks/

Together We Can Fight Climate Change With Clean Energy Technology
https://www.facebook.com/SolarThermalMag/

EPEC - Environmental and Peace Education Center
https://www.facebook.com/epecswfl

Environmental Defense Fund
https://www.facebook.com/EnvDefenseFund/

Climate Reality
https://www.facebook.com/climatereality/

Solar Energy International (SEI)
https://www.facebook.com/solarenergyintl/

Earth Day Network
https://www.facebook.com/EarthDayNetwork/

EcoWatch
https://www.facebook.com/EcoWatch/

Natural Solutions Magazine
https://www.facebook.com/NaturalSolutionsMagazine/

Permaculture Pirates
https://www.facebook.com/PermaculturePirates/

Go Green Northbrook
https://www.facebook.com/gogreennorthbrook/

Earthjustice
https://www.facebook.com/Earthjustice/

CNUIllinois
https://www.facebook.com/pg/CNUIllinois

NRDC (Natural Resources Defense Council)
https://www.facebook.com/nrdc.org/

Elgin Community Garden Network
https://www.facebook.com/ElginCommunityGardens/

The Conservation Foundation
https://www.facebook.com/TheConservationFoundation

One Earth Film Festival
https://www.facebook.com/OneEarthFilmFest/

Years of Living Dangerously
https://www.facebook.com/YearsOfLiving

Green Corps
https://www.facebook.com/GreenCorps411