| Author | Sex | Lifespan | Nationality | Theme(s) | Selected book |
| Douglas Adams | M | 1952–2001 | English | Conservation movement | Great Ape Project (co-authored) |
| Günter Altner | M | 1936–2011 | German | Environmental ethics | |
| Ndyakira Amooti | M | 1955 or 1956 – 1999 | Ugandan | Conservation movement | |
| Lawrence Anthony | M | 1950–2012 | South African | Conservation movement | Babylon's Ark |
| Lady Eve Balfour | F | 1899–1990 | English | Organic movement | The Living Soil |
| Sharon Beder | F | | Australian | Civil engineering | Global Spin: The Corporate Assault on Environmentalism |
| Tzeporah Berman | F | 1969– | Canadian | Temperate rainforest: clearcutting | Clayoquot & Dissent |
| Christopher Booker | M | 1937–2019 | English | Various themes | The Real Global Warming Disaster |
| Michael Braungart | M | 1958– | German | Industrial waste | |
| Harold Brookfield | M | 1926–2022 | British and Australian | Rural development, family farms | Cultivating Biodiversity: Understanding, Analysing and Using Agricultural Diversity |
| Hans Bruyninckx | M | 1964– | Belgian | Environmental social science | | |
| Verity Burgmann | F | 1952– | Australian | Indigenous land rights | Power, Profit and Protest |
| Helen Caldicott | F | 1938– | Australian | Anti-nuclear movement | |
| Mark Carwardine | M | 1959– | | Endangered species | Last Chance to See (co-authored) |
| Pratap Chatterjee | M | | | Various themes | |
| Cormac Cullinan | M | | | Environmental law | Wild Law |
| Mark Diesendorf | M | | Australian | Sustainable energy | Greenhouse Solutions with Sustainable Energy |
| David Fig | M | | South African | Various themes | Uranium Road: Questioning South Africa's Nuclear Direction |
| Tim Flannery | M | 1956– | Australian | Climate change | The Weather Makers |
| Sakiko Fukuda-Parr | F | | Japanese | Genetic engineering | The Gene Revolution: GM Crops and Unequal Development |
| Masanobu Fukuoka | M | 1913–2008 | Japanese | Natural farming | |
| John Gibbons | M | | Irish | Climate change | |
| Paul Gilding | M | | Australian | Various themes | |
| Herbert Girardet | M | | | Various themes | Surviving the Century: Facing Climate Chaos and Other Global Challenges |
| Chris Goodall | M | 1955– | English | Various themes | Ten Technologies to Fix Energy and Climate |
| Uri Gordon | M | 1976– | Israeli | Direct action | |
| Nicky Hager | M | 1958 | New Zealander | Various themes | Seeds of Distrust |
| Julia Hailes | F | 1961– | English | Ethical consumerism | The New Green Consumer Guide |
| Clive Hamilton | M | 1953– | Australian | Various themes | Requiem for a Species |
| John L. Harper | M | 1925–2009 | British | Population biology | Ecology: From Individuals to Ecosystems (co-authored) |
| Lisa Harrow | F | 1943– | | Sustainable living | What Can I Do? |
| Rizwana Hasan | F | 1968– | Bangladeshi | Environmental law: ship breaking | Laws Regulating Environment in Bangladesh |
| Dieter Helm | M | | British | Energy | The Carbon Crunch: How We're Getting Climate Change Wrong – and How to Fix it |
| Ove Hoegh-Guldberg (biologist) | M | 1959– | Australian | Coral reefs | |
| Thomas Homer-Dixon | M | 1956– | Canadian | Petroleum industry | The Upside of Down |
| Kenneth Hsu | M | | Swiss | Various themes | Klima Macht Geschichte: Menschheitsgeschichte als Abbild der Klimaentwicklung |
| Mike Hulme | M | 1960– | English | Climate change | Why We Disagree About Climate Change |
| Leonie Joubert | F | | South African | Climate change | Scorched: South Africa's Changing Climate |
| Rahanna Alicia Juman | F | | Trinidad and Tobago | Wetlands, Ecology | Wetlands of Trinidad & Tobago[1] |
| Yoshikazu Kawaguchi | M | 1939–2023 | Japanese | Natural farming | |
| David Keith | M | | Canadian | Climate change | A Case for Climate Engineering |
| Petra Kelly | F | 1947–1992 | German | Disarmament | |
| Bruce Kinloch | M | 1919–2011 | British | Wildlife conservation | The Shamba Raiders |
| Satish Kumar | M | 1936– | Indian, English | | |
| Nigel Lawson | M | 1932–2023 | British | Climate change | An Appeal to Reason |
| Richard Leakey | M | 1944–2022 | Kenyan | Conservation movement | Wildlife Wars: My Fight to Save Africa's Natural Treasures (co-authored) |
| Jeremy Leggett | M | 1954– | English | Various themes | Half Gone: Oil, Gas, Hot Air and the Global Energy Crisis |
| Howard Liddell | M | 1945–2013 | British | Sustainable development and passive housing | Eco-minimalism – The Antidote to Eco-bling |
| Andre Lima | M | 1971– | Brazilian | Various themes | Ecological-economic zoning of the Light Environmental Laws |
| Bjørn Lomborg | M | 1965– | Danish | Various themes | The Skeptical Environmentalist |
| James Lovelock | M | 1919–2022 | English | Various themes | The Revenge of Gaia |
| Ian Lowe | M | | Australian | Various themes | Reaction Time: Climate Change and the Nuclear Option |
| Philip Lymbery | M | 1965– | British | Industrial agriculture | Farmageddon |
| Mark Lynas | M | 1973– | British | Various themes | Six Degrees: Our Future on a Hotter Planet |
| Andri Snær Magnason | M | 1973– | Icelandic | Hydroelectricity | Dreamland: A Self-Help Manual for a Frightened Nation |
| Thomas Robert Malthus | M | 1766–1834 | English | Population growth | An Essay on the Principle of Population |
| Samuel Mann | M | | New Zealand | Sustainability | The Green Graduate: Educating Every Student as a Sustainable Practitioner |
| George Marshall | M | 1964– | British | Climate change | Don't Even Think About It: Why Our Brains Are Wired to Ignore Climate Change |
| David Maybury-Lewis | M | 1929–2007 | | | Millennium: Tribal Wisdom and the Modern World |
| Alastair McIntosh | M | 1955– | Scottish | Various themes | |
| Ian McKay | M | 1962– | English | | |
| Anupam Mishra | M | 1948–2016 | Indian | Water management | |
| George Monbiot | M | 1963– | English | Climate change | |
| Andrew Montford | M | | English | Climate change | The Hockey Stick Illusion |
| N. K. Sukumaran Nair | M | 1942–2021 | Indian | Pamba River | |
| Andrew Nikiforuk | M | | Canadian | | |
| Helena Norberg-Hodge | F | | | Sustainable living | Ancient Futures: Learning from Ladakh |
| Mark O'Connor | M | 1945– | Australian | Various themes | |
| Guy Pearse | M | | Australian | Climate change | High and Dry |
| Sharon Pincott | F | | Australian | Conservation Movement | Elephant Dawn |
| Ian Plimer | M | 1946– | Australian | Various themes | Heaven and Earth |
| Li Quan | F | | Chinese | Tiger conservation | Rewilded, Saving the South China Tiger
(bilingual, English and Chinese) |
| Jørgen Randers | M | 1945– | Norwegian | Climate change | 2052 - A Global Forecast for the Next Forty Years |
| Valentin Rasputin | M | 1937–2015 | Russian | Water management | |
| Derek Ratcliffe | M | 1929–2005 | British | Conservation movement | A Nature Conservation Review (2 volumes) |
| Emma Romeu | F | | Cuban | | |
| David Mayer de Rothschild | M | 1978– | British | Various themes | |
| Palagummi Sainath | M | 1957– | Indian | Various themes | |
| R. Murray Schafer | M | 1933–2021 | Canadian | Acoustic ecology | The Tuning of the World (The Soundscape), republished as The Soundscape |
| Hermann Scheer | M | 1944–2010 | German | Renewable energy | Energy Autonomy: The Economic, Social & Technological Case for Renewable Energy |
| E. F. Schumacher | M | 1911–1977 | British | Appropriate technology | Small Is Beautiful |
| Philip Sherrard | M | 1922–1995 | British | Religion and environmentalism | |
| Vandana Shiva | F | 1952– | Indian | Various themes | |
| Stanislav Edward Shmelev | M | | British | Ecological economics | Ecological Economics: Sustainability in Practice |
| Rick Smith | M | 1968– | Canadian | Medical toxicology | Slow Death by Rubber Duck: How the Toxic Chemistry of Everyday Life Affects Our Health (co-authored) |
| Lawrence Solomon | M | 1948– | Canadian | Various themes | The Deniers |
| David Suzuki | M | 1936– | Canadian | Various themes | The Sacred Balance |
| Peter Tertzakian | M | | Canadian | Energy industry | The End of Energy Obesity |
| Paranjoy Guha Thakurta | M | 1955– | Indian | Energy in India | Gas Wars |
| Josef Velek | M | 1939–1990 | Czechoslovak, Czech | | |
| Ernst Ulrich von Weizsäcker | M | 1939– | German | | |
| Sanjay Singh Yadav | M | | Indian | | The Environmental Crisis of Delhi |
| Lü Zhi | F | 1965– | Chinese | Conservation of giant pandas and other species | Giant Pandas in the Wild |
