Experts
Barack Obama
This account is run by #Obama2012 campaign staff. Tweets from the President are signed -bo.15,941,539 followers | Follow
Funny Or Die
We make funny videos with famous people. Will Ferrell is our boss. We like to laugh and watch kittens do adorable people things.3,939,398 followers | Follow
Deepak Chopra
939,706 followers | Follow
frog design
Global innovation firm that helps create and bring to market meaningful products, services, and experiences.366,005 followers | Follow
Andrew Weil, M.D.
Dr. Weil's official Twitter - daily information on integrative medicine, nutrition, natural health and wellbeing. Get healthy on the go!320,278 followers | Follow
Allpe Medio Ambiente
Comprometidos con el desarrollo sostenible y la conservación del medio ambiente. Consultoria Ambiental, Ecologia, Medioambiente, Sostenibilidad.207,155 followers | Follow
Michael Pollan
Author of Food Rules; In Defense of Food; The Omnivore’s Dilemma; The Botany of Desire; A Place of My Own and Second Nature.165,585 followers | Follow
Forrester Research
Forrester Research, Inc. is an independent research company that provides pragmatic and forward-thinking advice to global leaders in business and technology.127,747 followers | Follow
Andy Revkin
Pursuing progress on a finite planet on http://j.mp/dotEARTH and at Pace U. The rest? Family, friends, living, music: http://j.mp/unclewade35,256 followers | Follow
Lisa P. Jackson, EPA
Administrator of the U.S. Environmental Protection Agency32,402 followers | Follow
Svein Tveitdal
Twitting Climate Change news and Climate Information English/Norwegian, IPCC, Director Klima 2020, former UN Director32,398 followers | Follow
AIA National
The American Institute of Architects—Sharing your passion for creating better places to live, work, and play. Feeds by @sybilwb.23,558 followers | Follow
JoAnn Hines
Answers, Advice, Results from GO TO person in packaging. Partner/packaging source @ MFG.com. Need pkg? Source everything packaging @ http://mfg.com/packaging17,719 followers | Follow
Simon Hinton
Entrepreneur, Eco-Developer, International Healer, Reiki Master, NLP Master Practitioner, Quantum Power Visionary.16,032 followers | Follow
Joel Makower
Founder of GreenBiz.com; bestselling author; speaker, entrepreneur in green business, green marketing, clean tech, blah blah blah13,604 followers | Follow
Julie Morgenstern
Organizing and Time Management expert, New York Times best-selling Author, Consultant, and Speaker. Join me on my FaceBook Page http://on.fb.me/JulieonFB13,524 followers | Follow
Restaurant Marketing
Follow this globe-trotting restaurant consultant to all 7 continents, 7 wonders and 70+ countries.13,092 followers | Follow
Peter Kobel
Writer, author, advocate for environmental, economic and social justice.12,834 followers | Follow
Robin Crow
Author of the USA Today Best-Seller Evolve or Die: Seven Steps to Rethink the Way You Do Business. Proud father, CEO and Founder of Dark Horse Recording.12,340 followers | Follow
hip moms go green
Hip moms guide to living & eating green. Organic. Gluten free. Dairy Free. Raw. Travel. Products. Founder @nickieknight & http://bit.ly/zvmGWJ12,115 followers | Follow
Yahya E. B. Henry
REALTOR® / developer | entrepreneur | consultant | passion for cities & ideas11,750 followers | Follow
David Collier
Tilles focuses on sustainability, social responsiblity and the culture of giving back. David Collier founded and leads Tilles.11,182 followers | Follow
myEARTH360.com
Eco ecommerce biz tweeting eco news & tips, eco action updates & occasional product offers. Founded by environmental advocate + concerned mom @LynnHasselbrgr.11,181 followers | Follow
SCORE Biz Mentor
Small business experts provide free mentoring, resources and info to help you start, manage & grow your business!11,089 followers | Follow
John Shegerian
electronicrecyclers.com 1800RECYCLING.COM greenager.com urbanmining.org www.addicted.com mandingoandme.com linkedin.com/in/johnshegerian10,142 followers | Follow
SustainableExperts
Marlborough Environmental Award Winner. International Wine Consultancy - Bus Management, SD, Carbon, HACCP Food Safety, EMS, Strategy. Tweets by Roger9,458 followers | Follow
Dr. Vandana Shiva
9,429 followers | Follow
Gil Friend
Strategic sustainability thought leader, consultant, & coach CEO Natural Logic Inc, author Truth About Green Business, blogger: http://blogs.natlogic.com/friend9,361 followers | Follow
William McDonough
William McDonough is a designer, architect and co-author, with Michael Braungart, of Cradle to Cradle and The Hannover Principles9,143 followers | Follow
Porter Novelli
Combining immersion + data we create a deeper human insight that transforms opinions, beliefs and behaviors of those who matter most to our clients.7,659 followers | Follow
Elaine Hsieh
Global business strategist and former green building geek. Focused on energy, sustainability, and innovation.7,557 followers | Follow
Terry Lemerond
I have been in the health food industry for over 40 years and have a passion for developing dietary supplements that make a difference in peoples lives.7,270 followers | Follow
Fabian Pattberg
Blogging and tweeting about topics of Sustainability, Corporate Social Responsibility (CSR) and Social Media.7,127 followers | Follow
Mark Graban
Lean healthcare consultant, blogger, keynote speaker, author of @LeanHospitals & @HCkaizen, also works for @KaiNexus - making improvement easier.7,114 followers | Follow
John Peter Thompson
Ask me your questions - Sustainability, ecosystems invasive species,natural philosophy, history, politics & current events explained7,031 followers | Follow
Paul Smith
Sustainable/Green Biz Consultant. Global trend tracker for the greater good. Digital PR. Blogger for @TriplePundit. Ghost Writer for ____. Cyclist.6,911 followers | Follow
Burson-Marsteller
The latest news, insights and research from Burson-Marsteller's Global Network6,846 followers | Follow
Lynn Hasselberger
I Count for myEARTH. Blog + tweets 2 raise awareness + inspire change 4 people + planet. Tweets by founder @LynnHasselbrgr who also tweets 4 her biz @myEARTH3606,820 followers | Follow
Jeffrey Hollender
Speaker, author, activist for corporate responsibility, sustainability & social equity. Provokes business to think differently about role it plays in society.6,663 followers | Follow
ScottEdwardAnderson
Founder TheGreenSkeptic & CleantechAllianceMid-Atlantic. Poet, chef & FOXBiz/WSJ.com pundit. Global cleantech marketing director @ Ernst&Young. Opinions mine.6,585 followers | Follow
Osha G. Davidson
Freelance writer/photographer, author, & Sonoran desert rat. Current project: What the US can learn from Germany's renewable energy economy. Member, SEJ.6,298 followers | Follow
Joanna Yarrow
Explorer of 21st-century sustainable living. Writer, broadcaster, consultant, director of @wildernesswood & founder of @beyondgreenuk.6,255 followers | Follow
Kevin Trudeau
The OFFICIAL Twitter account for Kevin Trudeau and The Kevin Trudeau Radio Show.6,159 followers | Follow
Joshua Hammond
VP, Account Director for @ZocaloGroup - Omnicom's full-service Word of Mouth and Social Media Marketing agency. [My posts are my own.]6,078 followers | Follow
Barry Katz, LEED AP
Green builder, consultant, & author. My book, PRACTICAL GREEN REMODELING is at Amazon http://tinyurl.com/RemodelGreen. My blog: http://TheFutureIsGreenBlog.com6,031 followers | Follow
Colin Beavan
I'm the author of No Impact Man. I'm a writer, activist, speaker and now candidate for Congress!5,869 followers | Follow
Hunter Lovins
President, Natural Capitalism Solutions; Chief Insurgent, madrone project5,515 followers | Follow
elaine cohen
#CSR Consultant #Sustainability Reporter, Human Resources Professional, Ice Cream Addict, Author of CSR for HR - see www.csrforhr.com5,345 followers | Follow
Courtney Carver
Imagine a life with: more savings and less debt, more health and less stress, more time and less stuff, more joy and less obligation.5,308 followers | Follow
Gabriel Cousens
Gabriel Cousens M.D., M.D.(H), D.D., founder of the Tree of Life Rejuvenation Center, is a holistic physician, spiritual teacher & bestselling author5,206 followers | Follow
BarbaraSher
NY Times bestselling author, star of YouTube, internet radio &Hanging Out with Barbara Sher, motivator who doesn't like self-improvement or positive thinking.4,433 followers | Follow
Dave Meyer
Sr. Industry EHS & Sustainability Practitioner, Advocating Organizational & Supply Chain Innovation & Systems Thinking (Views Expressed Are My Own)4,255 followers | Follow
Kaid Benfield
Director, sustainable communities, NRDC; maddeningly conflicting interests4,018 followers | Follow
David Korten
Author Agenda for a New Economy & The Great Turning, board chair YES! magazine, co-chair New Economy Working Group, board member BALLE3,765 followers | Follow
Francine Jay
Author of The Joy of Less, A Minimalist Living Guide: How to Declutter, Organize, and Simplify Your Life3,755 followers | Follow
DianeMacEachern
Author, Speaker, Glamour mag Eco Hero. Working w/ green moms, consumers, businesses to go green through workshops, keynotes, books. www.biggreenpurse.com3,723 followers | Follow
Green Living Tips
News and tips for greener living by Michael Bloch. Save money, consumption and reduce environmental impact! www.greenlivingtips.com3,474 followers | Follow
Amy Leyack
Matching passionate professionals with cool companies since 19993,443 followers | Follow
Bjorn Lomborg
Director, Copenhagen Consensus Center. Author, 'Cool It' and 'Skeptical Environmentalist'.3,364 followers | Follow
Consultant
Consultant at The Boston Consulting Group; The views expressed are mine alone and do not necessarily reflect the views of my employer3,239 followers | Follow
Tom Traver
Native habitat restorer, arborist, green issues. How much more of nature do we need to degrade to perpetuate our standard of living?3,200 followers | Follow
Quality Mgmt Stions
3,083 followers | Follow
CEO Global Network
Leading CEO & Executive Development network. CEO Peer Groups, Experienced CEO Mentors, Exclusive Learning Events. Significantly improving the lives of CEOs.3,029 followers | Follow
GreenMarket Colorado
GreenMarket Consulting ~ Marketing solutions for One Green World! Marketing consulting for renewable energy, sustainability, organic food and green tech.2,950 followers | Follow
GreenHomeGuide
Connecting you to advice, information, and green professionals. Published by the U.S. Green Building Council (USGBC).2,935 followers | Follow
GreenIrene
Green Irene trains local Eco-Consultants to implement proven green home and business solutions. Check out our HonestGreen.com wholesale division @HonestGreenHQ2,856 followers | Follow
Roger Doiron
Garden-variety super-hero, capable of leaping over (most) raised beds in a single bound. Director of http://KGI.org & growing a subversive plot.2,847 followers | Follow
EcoTuesday
EcoTuesday is the event for sustainable business leaders to network, collaborate, and engage with one another. Everyone is welcome!2,809 followers | Follow
Paul Nison
Teacher of Raw and Living Food Nutrition, Health Author, Raw Food Chef, Torah Teacher,2,485 followers | Follow
Barbro Grindheim
Social Networking for Collaboration ~ Consciousness in Transformation ~ Beautiful life on a Green Living Planet2,434 followers | Follow
Healing Thru Food
HTF provides personal & supportive online nutrition coaching catered to your specific needs! One diet does not fit ALL!2,223 followers | Follow
Dave Sowden
Sustainable Energy Policy Expert, Partner at Ecuity Consulting LLP, CEO of Micropower Council.2,112 followers | Follow
Matthew Rochte
Director, Corporate Sustainability OpportunitySustainability.com Finding biz opportunity in #sustainability (innovation+engagement+leadership) & #CSR2,083 followers | Follow
Pace Analytical
Pace Analytical is a privately held, full-service sampling and analytical testing firm operating a network of laboratories and service centers nationwide1,947 followers | Follow
Our Green Lab
Eco-friendly innovations, initiatives, trends, research & solutions for OEM's, businesses, chemistry/technology for a greener, safer planet1,890 followers | Follow
Edelman Miami
A boutique agency approach w/ global network strength, specializing in multilingual communications, bridging the Americas and serving SoFla and the U.S1,887 followers | Follow
Kat Gjovik
Work w/ David Korten, outreach/communication for Living Economies Forum/Great Turning initiative. And helping build resilient community on Bainbridge Island.1,868 followers | Follow
Otto Scharmer
MIT based action researcher, founding chair, Presencing Institute. Author of Theory U: Leading from the Future As it Emerges www.ottoscharmer.com1,830 followers | Follow
Britta Ehnebuske
Britta, Reg and Events Specialist, tweeting for MeetGreen. We've been producing sustainable meetings and events since 1994. Our motto? Connect. Sustain. Thrive.1,772 followers | Follow
sharishapiro
Publishing pre-consumer, non-recycled content on green building law1,739 followers | Follow
ContentedCowPartners
Bill Catlette & Richard Hadden are pathfinders in the arena of leadership & employee engagement. Authors, keynote speakers, advisors to management.1,693 followers | Follow
Will Steger
Polar explorer, educator, author, environmentalist, climate change activist. Twitter managed by Will Steger Foundation.1,639 followers | Follow
Three Squares Inc.
We are a sustainability consulting firm helping clients go green and working with leading green tech companies to help expand their reach @JaimeNack, President1,634 followers | Follow
BusinessEarth
We help companies increase sales, save money, retain employees, inspire communities and improve the environment … Profitably.1,492 followers | Follow
Kimberly Madrigal
Speaker. Writer. Property Owner and Manager interested in sustainable improvements and their effect on the bottom line.1,473 followers | Follow
Michael Luehrs
American at home in Sweden, pursuing sustainable practices, CSR, Green Meetings and better living for business and community1,394 followers | Follow
Tim Center
Principal of Centerfield Strategy + husband, father, 4th Gen Floridian helping others succeed with advocacy, sustainability and strategic planning.1,373 followers | Follow
Lorraine Haataia PhD
Writer, speaker, and consultant who partners with businesses interested in cutting cost, improving customer satisfaction, and increasing the bottom line.1,367 followers | Follow
Gregory Wendt, CFP
Wealth Manager, Green Economy & Sustainability Catalyst, Speaker http://www.linkedin.com/in/gregorywendt, GreenBusinessNetworking.org & Greeneconomy.org1,234 followers | Follow
Steven Darnell
Pharmacist and entrepeneur. Online shopper. Live a green lifestyle and help others learn to live healthier.1,059 followers | Follow
Dean Calhoun
CEO/Founder, public speaker, potent compound safety, EH&S, tech enthusiast, entrepreneur, podcaster, husband, dad, snow skier1,051 followers | Follow
Sarah A. Altschuller
Attorney in the Corporate Social Responsibility (CSR) practice at Foley Hoag LLP. I blog on legal issues related to CSR at www.csrandthelaw.com.1,045 followers | Follow
Todd W. Bonnett
Landscape Architect, Urban Planner, LEED AP, and CNU-a with a small firm in the Orlando Florida area.1,023 followers | Follow
Dirt the Movie
1,011 followers | Follow
Deirdre Imus
A leader in the Green revolution, author of NYT bestselling Green This! Series, founder of http://www.dienviro.com/ for pediatric oncology and Imus Cattle Ranch997 followers | Follow
Frontier Global Sci
Frontier is a nationally recognized and leading advanced research, analytical laboratory and consulting firm specializing in the determination of trace metals.978 followers | Follow
Judith Helfand
DOC Filmmaker known for taking cynical worlds of heedless corporate behavior & toxic chemical exposure & making personal, resonant [even funny].978 followers | Follow
Net Impact NYC
NYC Professional Chapter of Net Impact, a global network of leaders who are changing the world through business.949 followers | Follow
ACS Engineering
ACS Engineering Group is a national provider of environmental consulting services, corporate sustainability solutions, and regulation management.864 followers | Follow
Sarah Kerkian
Senior Supervisor for Cone, researching, writing or analyzing all things cause marketing and corporate responsibility. Boston-based, but Ohioan at heart.851 followers | Follow
Simon Zadek
redesigning business. mediating sustainability. progressive public policy. collaborative governance.842 followers | Follow
The speakers company
We Mentor and Manage speakers and provide speakers for conferences and events777 followers | Follow
Living Downstream
An award-winning documentary about cancer and the environment following author, cancer survivor and ecologist Sandra Steingraber.767 followers | Follow
MSLGROUP Americas
Join Us! MSLGROUP is a specialty communications and engagement group that’s one of the world’s top 5 PR and events networks.663 followers | Follow
Michael Marx
Continuous Improvement, Lean, Six Sigma, market research, freelance writer, blogger, tweeter. Family man, mountain biker, baker.455 followers | Follow
Brian Setzler
Portland area CPA. MBA in Sustainable Business, Founder of TriLibrium and TriLibrium Wealth Management, Activist418 followers | Follow
Marc Smith
415 followers | Follow
SPRINGERarchitects
Climate Responsive Architecture, Planning & Development - Boston, MA - www.springerarchitects.com270 followers | Follow
Marlaina Quintana
244 followers | Follow
Dr. Guy Harvey
I am a conservationist, artist, famous for my t-shirt designs, angler, diver, father and husband, and love spending time in my art studio159 followers | Follow
Amy V Fetzer
Sustainability Specialist, Freelance Journalist and Author of Climb The Green Ladder: Making Your Company and Career More Sustainable114 followers | Follow
Marsha Willard
Executive Director of the International Society of Sustainability Professionals84 followers | Follow
Jay Coalson
Business Management, Consulting, Sustainability - Executive Director Zero Waste Alliance60 followers | Follow
Global Land Reserve
We're a Sustainability Consulting & Management firm based in Richmond, Virginia.53 followers | Follow
Carolyn Weise
Author of ABC's of Ponds, 20 years pond experience, writer pond magazines, advice to hobbyists, photographer, koi shows, ABC-Ponds-book.com39 followers | Follow
moh'd kh Shamayleh
Airline / MRO senior engineering, 29 years career in the field.Other SME; supply chain, HRD, airline Consultant. Interests; aviation, save the environment.9 followers | Follow
Curated by Lorraine Haataia PhD
Experts who promote sustainable business practices.
