Karachi Bachao Tehreek

Housing rights and climate activist collective from Karachi in Pakistan.

Fediverse address:
@karachibachaotehreek@sunbeam.city

Nico Fröhberg

Marine science PhD student concentrating on the organic complexation of trace metals as they enter the ocean.

Fediverse address:
@NicoFroehberg@fediscience.org

OpenSourceSeeds

Project to protect plant varieties from patents by giving them libre licences.

Fediverse address (in German and English):
@opensourceseeds@mastodon.social

GardeningWell

Family in Ireland documenting their eco-friendly sustainably maintained garden.

Fediverse address:
@gardeningwell@mastodon.ie

Dr Katharine Hayhoe

Climate scientist, professor of Public Policy and Public Law at Texas Tech University, Chief Scientist at the Nature Conservancy organisation. Science communicator campaigning to stop global warming.

Fediverse address:
@kathhayhoe@climatejustice.rocks

GreenFediverse

Project listing Fediverse instances that use environmentally friendlier energy sources for their hosting.

Fediverse address:
@greenfediverse@chaos.social

Erkki Mervaala

Researching climate communications at the Finnish Environment Institute SYKE, PhD student on how the media frames discussion of the climate crisis and economic growth. Also researching transitioning towards an ecowelfare state.

Fediverse address:
@mervaala@mastodon.social

Ethical Revolution

Website helping people choose more ethical options when buying goods and services.

Fediverse address:
@ethicalrevolution@climatejustice.social

European Union Agency for the Space Programme (EUSPA)

Co-ordinates the various EU space services including Galileo sat nav, Copernicus climate satellites, asteroid monitoring etc.

Fediverse address (main):
@EUSPA@social.network.europa.eu

Fediverse address (videos):
@euspa@tube.network.europa.eu

Jack Ryan

Not a spy, but actually the science editor of technology news site CNET.

Fediverse address:
@dctrjack@aus.social

Wolfgang Lucht

Works at the Potsdam Institute for Climate Impact Research, is a professor of Sustainability Science at Humbolt University, and also advises the German government on environmental issues.

Fediverse address:
@W_Lucht@mstdn.social

Parents For Future

An international environmental campaign to stop global warming. You can follow the Swedish and German branches on the Fediverse.

Fediverse address (in Swedish):
@parents4future_se@climatejustice.global

Fediverse address (in German):
@parents4future@climatejustice.global

Images of Protest

Photographs from demonstrations in the UK over the past 20 years that the photographer has attended.

Fediverse address:
@imagesofprotest@mstdn.social

Georgia Watson

Researcher and ecologist, working with the University of Wollongong node of the Australian Research Council’s special research initiative “Securing Antarctica’s Environmental Future”, studying moss and biodiversity monitoring.

Fediverse address:
@Ecologee_@ecoevo.social

Primo Natura

Sharing links to environmental articles from established news sources.

Fediverse address:
@primonatura@mstdn.social

Petra Geefeconomie

Posting about environmental sustainability and permaculture, living off the grid, and the “giving economy”.

Fediverse address (in Dutch and English):
@Geefeconomie@mastodon.green

Dr Cathy Tuttle

Expert on urban planning and design, campaigning for more public transport, cycling and walking in urban areas. Founder of the Seattle Neighborhood Greenways project.

Fediverse address:
@CathyTuttle@social.ridetrans.it

Norfolk Bea

Environmental activist helping to clean up the coast and save birds and other wildlife in Norfolk, England.

Fediverse address:
@NorfolkBea@mastodonapp.uk

Otwarte Źródło

Organic farm in eastern Poland, posts about agriculture, food and the countryside.

Fediverse address (in Polish):
@otwartezrodlo@101010.pl

Professor Dr Wolfgang Cramer

Ecologist and geographer at the CNRS (Centre national de la recherche scientifique) in France, whose main aim is to do everything possible to mitigate the climate crisis, and help other scientists to do so as well. Works with the IPCC and MedECC, and supports non-violent climate activism.

Fediverse address:
@wolfgangcramer@fediscience.org

Humanum

Paints beautiful delicate watercolours based on the natural world and protecting the environment, mixing natural imagery with abstract shapes.

Fediverse address:
@humanum@mastodon.art

Leo Burtscher

Staff astronomer at the observatory in Leiden University in the Netherlands, studying the nuclear regions of active galaxies. Also co-founder of Astronomers For Planet Earth, a grassroots pressure group which campaigns to stop global warming.

Fediverse address (in English and German):
@leo@mastodon.green

Fridays For Future Nigeria

Young people’s environmental campaign group based in Nigeria, fighting against global warming and other environmental destruction.

Fediverse address:
@FFF@climatejustice.social

European Investment Bank (EIB)

European Union fund which provides loans and guarantees to projects involved with development, climate change and the environment, infrastructure and small and medium businesses. Its aim is to promote the policy goals of the EU, and operates both within the EU and elsewhere. It focuses on projects that have difficulty getting loans within their own country.

(Note: Despite the similar names, this is not the European Central Bank which manages the Euro currency.)

Fediverse address:
@eib@social.network.europa.eu

Don Meltz

Land use planner using GIS and spatial analysis, adjunct instructor at Marist College teaching GIS courses. Mapping enthusiast and helping to create ecologically sustainable communities.

Fediverse address:
@GeoDon@mastodon.social

Prof. Dr Juliette de Meaux

Professor at the Institute for Plant Sciences at the University of Cologne in Germany, working in plant genetics, ecology and evolution.

Fediverse address:
@MeauxJuliette@ecoevo.social

Greta Thunberg

Swedish climate change activist, part of Fridays For Future.

Fediverse address:
@gretathunberg@mastodon.nu

Nithin Coca

Freelance journalist based in Japan and focused on Asia, particular topics of interest include the environment, human rights, energy, sustainability and supply chains.

Fediverse address:
@ncoca@social.coop

Dave Walker

Cycling cartoonist, author of the cycle-themed book “From A to B”, draws amusing and thought-provoking diagrams about sustainable transport and other topics.

Fediverse address:
@davewalker@mastodon.social

Yekuhl

Gardener and solarpunk/permaculture fan who grows plants, flowers, berries etc, and does seed swaps.

Fediverse address:
@yekuhl@mastodon.green

Repair Café Isle of Wight

Volunteer group holding regular sessions to repair textiles, appliances, computers, phones, gadgets etc free of charge, in order to reduce the environmental impact of throwing things away and buying new replacements. The group is based on the Isle of Wight in the south of England.

Fediverse address:
@repaircafeiow@masto.ai

Dr Michael E. Mann

Climatologist and geophysicist, director of the Center for Science, Sustainability & the Media at the University of Pennsylvania, USA. Particularly focused on climate change, Mann has played a major role in uncovering the history of the Earth’s climate in his work for the IPCC and other organisations.

Fediverse address:
@MichaelEMann@fediscience.org

Dr Dan Killam

Paleobiologist at Biosphere 2, a giant sealed structure in the middle of the Arizona desert designed to research ecosystems. Killam is particularly interested in clams, and often posts about them.

Fediverse address:
@dantheclamman@scicomm.xyz

Scientists for Future Deutschland

German branch of the campaign by scientists to save the planet from environmental destruction due to climate change. They are letting the world know the science of climate change, conducting research themselves and helping climate scientists to network.

Fediverse address (in German):
@S4F@climatejustice.global

The Conversation Climate News

News articles related to global warming, written by qualified experts in the field being discussed. Run by a non-profit, there are no ads or paywalls.

Fediverse address:
@TheConversationClimate@newsie.social

Claudia Matosa

Comic artist and writer based in London, often featuring sci-fi, environmental and technological themes.

Fediverse address:
@claudiamatosa@comics.town

Victor Venema

Climate scientist at the Meteorological Institute of the University of Bonn, Germany. Works on statistical homogenisation methods and accuracy of climate trends. Also the admin of the fediscience.org Mastodon server.

Fediverse address:
@VictorVenema@fediscience.org

Open Source Gardens

Organisation connecting gardeners all around the world, encouraging the use of open source seeds and similar philosophies. Posts in English and German.

Fediverse address (main):
@opensourcegardens@chaos.social

Fediverse address (videos):
@opensourcegardens@tube.tchncs.de

Fediverse address (blog):
@handwritten@notes.opensourcegardens.info

Gentle Living Shop

Makes calm relaxing tutorial videos about making your own soaps, clothes, craft projects, and using libre software.

Fediverse address:
@craftykat@diode.zone

Jeff Hollister

Research ecologist focusing on lakes and algal blooms, working at the United States Environmental Protection Agency. Interested in rstats and geospatial data.

Fediverse address:
@jhollist@fosstodon.org

Tickfoot

Gardener and permaculture enthusiast posting lots of tips and photos about growing your own food and maintaining your garden.

Fediverse address:
@tickfoot@merveilles.town

Bits & Bäume (“Bits & Trees”)

German campaign group which aims to build bridges between technology fans and environmentalists.

Fediverse address (main account, in German):
@bits_und_baeume@mastodon.bits-und-baeume.org

Fediverse address (Berlin branch, in German):
@bitsundbaeume_berlin@mastodon.bits-und-baeume.org

Fediverse address (Dresden branch, in German):
@BitsUndBaeumeDresden@dresden.network

Greenpeace Aotearoa

Aotearoa (New Zealand) branch of the international NGO campaigning to protect the environment and stop climate change.

Fediverse address:
@greenpeace@mas.to

KostNixLaden Bochum

A free shop in Bochum, Germany, which distributes surplus stuff like clothes and other goods. Anyone can take what they need or donate what they don’t need.

Fediverse address (in German):
@kostnixladen@ruhr.social

LibreCast

Aims to provide a next generation internet with better privacy, more decentralisation, less spam and better energy efficiency by using “multicast”.

Fediverse address:
@librecast@chaos.social

Blockade Australia

Non-violent direct action group that fights against global warming, for example they have forced coal ports to shut down by chaining themselves to machinery.

Fediverse address:
@Blockadeaustralia@aus.social

Greenpeace Switzerland

Swiss branch of the NGO campaigning to stop climate change and protect the environment.

Fediverse address:
@greenpeace_ch@mastodon.greenpeace.ch

Ruth Mottram

Climate scientist at the Danish Meteorological Institute, studying ice and the atmosphere in the Arctic, Greenland and Antarctic.

Fediverse address:
@Ruth_Mottram@fediscience.org

Greenpeace EU

European branch of the NGO campaigning aganst climate change, pollution and environmental damage.

Fediverse address:
@GreenpeaceEU@eupolicy.social

Sheldrick Wildlife Trust

Organisation rescuing and rehabilitating orphaned elephants, rhinos and other wildlife in Kenya. Also helps fight poaching of endangered species, and takes part in initiatives to improve the local environment and community living standards.

Fediverse address:
@sheldricktrust@mindly.social

Michael Slezak

National Science and Environment Reporter at the Australian Broadcasting Corporation. Winner of the 2017 United Nations Association of Australia Media Award for Climate Reporting.

Fediverse address:
@mikeyslezak@aus.social