Planet
Greenpeace
We're an independent global campaigning organisation acting to change attitudes and behavior, to protect the environment and promote peace.490,321 followers | Follow
Bruce Attridge
Engineer, motorsport fan, occasional cyclist, photographer, blogger, Durbanite!351,887 followers | Follow
Earthquake & Tsunami
Earthquake & Tsunami Warning | not affiliated with USGS217,881 followers | Follow
NASA Astronauts
Hear from all NASA's astronauts on Twitter, plus updates on astronaut activities here.136,075 followers | Follow
Rodrigo Penna
Professor e mais um viajante nos bits da rede. Navegar é preciso, ou nossa nau fica à deriva!113,464 followers | Follow
Make-A-Wish America
We grant the wishes of children with life-threatening medical conditions to enrich the human experience with hope, strength and joy69,858 followers | Follow
Craig Bramscher
CEO/Chairman/Founder of Brammo, Inc. Favorite phrase: Game Changer Favorite Activity: Game Changing ::: Changing the world 2 wheels at a time66,266 followers | Follow
Naoko Yamazaki
Mission Specialist Astronaut on STS-131. Retired from JAXA in Aug'11. Dreams for space will continue...☆ (Not a NASA/JAXA official site. JAXA公式サイトではありません。)65,310 followers | Follow
Adventure Journal
www.adventure-journal.com The online magazine for real outdoor adventure--stoke, inspiration, news, gear, people, photography, more.49,483 followers | Follow
Global Voices
Calling attention to the most interesting conversations and perspectives emerging from citizen media around the world. Tweets: @emmab33 (^EB) @kthread (^KT)37,601 followers | Follow
Sotiris Danezis
Documentary maker by choice / Foreign affairs correspondent & news anchor by profession / Photographer by chance / Has covered stories in more than 80 countries34,501 followers | Follow
Earthquake Info
@QuakeReports will tell you when a 2.5+RS earthquake hits.30,312 followers | Follow
Jonathan Wilson
Helping children after trauma through / art / story / games / play / song / dance / film / love / hope / people who care.16,797 followers | Follow
Greenraising
Helping schools and non-profits raise funds while raising environmental awareness. 100% guilt free, green fundraising!10,347 followers | Follow
Gil Friend
Strategic sustainability thought leader, consultant, & coach CEO Natural Logic Inc, author Truth About Green Business, blogger: http://blogs.natlogic.com/friend9,388 followers | Follow
WorldSciFest
The World Science Festival is a tribute to imagination, ingenuity, and inventiveness. The 2012 Festival is May 30th to June 3rd, in New York City. #WSF127,740 followers | Follow
Ecology Action NS
The Ecology Action Centre has been a voice for Nova Scotia's environment for 40 years!5,206 followers | Follow
enviro.aero
The latest news on sustainable aviation from the commerical air transoport sector.4,010 followers | Follow
HumanSecurityReport
The Human Security Report Project's E-Resources Team highlights current news, research and analysis related to organized violence worldwide.2,253 followers | Follow
Global Issues
Twitter updates from globalissues.org discussing numerous global issues1,880 followers | Follow
CPRE Shropshire
A worldwide celebration of dark skies on from 20 March to 10 April 2010. Say no to light pollution. Be inspired by starlit skies. Hashtag #darkskies20101,692 followers | Follow
Miklos Levente Szabo
interested in Ecology, Clean Energy, Zeitgeist movement & Poker1,170 followers | Follow
Μίλα Μου Πράσινα
www.MilaMouPrasina.gr Η νέα Περιβαλλοντική Ενημερωτική Πύλη1,118 followers | Follow
GREENDESIGNFESTIVAL
An original, open-air, open-to-all event which seeks to present design in all forms and to evoke positive environmental attitudes. www.greendesignfestival.gr1,003 followers | Follow
Digital Diplomacy
The Digital Diplomacy Forum - Scholars & Diplomats dedicated to the empirical study and critical evaluation of digital diplomacy and related issues.924 followers | Follow
Nicole Itano
680 followers | Follow
Taber Extrusions
The leader in aluminum extrusions since 1973.Taber Extrusions pioneered the extrusion of large, heavy and wide complex shapes.568 followers | Follow
Adonis Yachts
Sailing holidays to the Sporades, Cyclades, Argosaronic. Owner's fleet in excellent condition and prices.189 followers | Follow
karen harvill
illustrator,musician environmental activist,green advocate, mom152 followers | Follow
Dalia Sharmin
Hi, This is Dalia Sharmin.This Blog is for fund raising. Help poor children and This is the aim for this blog.41 followers | Follow
George Davis
I and my wife travel Alaska filming our Alaska Wild Adventures! Join us for an adventure of a lifetime!14 followers | Follow
