Earth Policy Institute
Professional services
UnclaimedA Washington, D.C.-based environmental think tank that developed research and policy proposals for an environmentally and economically sustainable global economy.
Last updated August 24, 2026
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Overview
The Earth Policy Institute was an independent American nonprofit environmental organization and policy research institute founded in Washington, D.C., in 2001 by environmental analyst and author Lester R. Brown. It operated as a think tank rather than as a commercial product company, concentrating on the relationship between ecological limits, economic systems, resource use, and public policy. Its work sought to explain how societies could move toward what the institute called a sustainable “Plan B” economy. The institute’s research addressed a broad set of environmental and development questions, including food security, population growth, water scarcity, falling water tables, fisheries, forest loss, climate change, carbon emissions, renewable energy, transportation, and the effects of environmental stress on economies and communities. Rather than treating these subjects as isolated issues, EPI presented them as connected indicators of whether the global economy was moving toward or away from ecological sustainability. A central institutional objective was to provide a global plan for shifting the world onto an environmentally and economically sustainable path. The institute also aimed to demonstrate how such a transition could work in practice and to keep journalists, policymakers, academics, environmental advocates, and other decision-makers focused on the need for systemic change. Its analysis commonly combined environmental data with recommendations concerning energy, agriculture, transportation, resource management, and individual and collective behavior. EPI distributed its work directly to the public and media through its website and a free, low-volume email list. Its recurring formats included Plan B Updates, Eco-Economy Indicators, Book Bytes, data highlights, and press releases. Plan B Updates were short analyses of topics such as renewable-energy growth, extreme heat, and environmental migration. The Eco-Economy Indicators tracked twelve broad trends: population, the global economy, grain harvests, fish catches, forest cover, water resources, carbon emissions, global temperature, ice melting, wind power, bicycle production, and solar power. Book Bytes adapted material from the institute’s books and research for shorter public-facing distribution. The institute published books including Eco-Economy: Building an Economy for the Earth, Outgrowing the Earth, multiple editions of the Plan B series, World on the Edge, Full Planet, Empty Plates, Breaking New Ground, and The Great Transition. These publications examined sustainability through different lenses, including food systems, energy transitions, climate risk, resource scarcity, and the author’s personal history in environmental analysis. EPI materials were available in more than one language, with international publishers and partner organizations involved in some translations and re-publication. The organization was cited by environmental advocates, policymakers, and journalists and also contributed material to external websites and public-interest platforms. In June 2015, Brown announced his retirement at age 81, and the institute stated that it would close on June 30 of that year. Although its operating organization ended, the website, data, and publications were preserved as a legacy resource through an arrangement with Rutgers University’s School of Environmental and Biological Sciences. The institute is therefore best understood as a defunct environmental research brand whose principal continuing presence is its archived body of sustainability research.
History
The Earth Policy Institute emerged in 2001 as an independent nonprofit environmental think tank founded by Lester R. Brown in Washington, D.C. Brown had a long-standing reputation as an environmental analyst and author, and the institute provided an organizational platform for extending his work on resource limits, ecological sustainability, and the relationship between environmental conditions and economic performance. From its beginning, EPI framed environmental problems as elements of a broader economic transition. Its stated ambition was to help move the world toward an environmentally and economically sustainable path, to document practical examples of that transition, and to maintain public and policymaker attention on the construction of what it described as a “Plan B” economy. This approach connected subjects that are often treated separately, such as food production, water availability, energy systems, climate change, transportation, population, and the condition of forests and fisheries. The institute operated primarily through research, writing, publication, and public communication. It released books, short analytical updates, indicator summaries, data highlights, and press releases. These materials were distributed through its website and a free email list aimed at media organizations and the general public. EPI also provided supporting data and references so that readers could explore the underlying evidence. Its publications were made available in multiple languages through international publishing arrangements and links to organizations involved in translation or redistribution. The Plan B series became the institute’s most recognizable publication program. Across successive editions, the series presented an argument for rapidly changing energy, agricultural, transportation, and resource policies in response to climate risks and ecological pressures. Other books expanded the institute’s analysis into food security, water scarcity, renewable energy, the geopolitics of food supply, and the broader historical development of environmental thought. The institute’s recurring Eco-Economy Indicators offered a compact framework for monitoring trends in population, economic activity, grain harvests, fisheries, forest cover, water resources, carbon emissions, temperature, ice loss, wind power, bicycle production, and solar power. EPI’s research was used and cited by environmental advocates, policymakers, academics, and journalists. It also published or supplied material for external public-interest websites and communication platforms. Its work combined quantitative indicators with normative policy recommendations, making the organization both a source of environmental information and an advocate for changes in public policy and lifestyle. The institute’s active period ended in 2015. In June of that year, it announced that Brown would retire at the age of 81 and that the organization would close its doors on June 30. The announcement described the closure as the conclusion of the institute’s institutional operations rather than the disappearance of its research. Rutgers University’s School of Environmental and Biological Sciences agreed to keep the website available, preserving the organization’s articles, data, and publications as a legacy archive. Consequently, the Earth Policy Institute is now a defunct organization with a continuing documentary and educational presence through its preserved online materials.
- 2015
Institute announces closure
[1]Following Brown's retirement, EPI announces that it will close on June 30. Rutgers University agrees to preserve the website and its research materials as a legacy resource.
- 2001
Earth Policy Institute is founded
[1]Lester R. Brown establishes the independent nonprofit environmental think tank in Washington, D.C., to develop research and policy proposals for a sustainable global economy.
Products and positioning
Independent environmental policy research focused on ecological limits, sustainable development, resource security, and the transition to a more sustainable global economy.
Book series
Plan B series
The institute’s central publication program, presenting proposals for moving societies toward environmental and economic sustainability. Editions including Plan B, Plan B 2.0, Plan B 3.0, and Plan B 4.0 addressed climate change, energy, food, water, population, and resource pressures while emphasizing practical policy responses and examples of transition.
Environmental data framework
Eco-Economy Indicators
A recurring set of twelve indicators used by EPI to assess progress toward a sustainable economy. The framework covered population, the global economy, grain harvests, fish catches, forest cover, water resources, carbon emissions, temperature, ice melting, wind power, bicycle production, and solar power.
Research briefings
Plan B Updates
Short analyses distributed to the media and public on environmental and sustainability topics. Subjects included renewable-energy developments, heat-related deaths, and environmental refugees, alongside other developments relevant to the transition toward a Plan B economy.
Books and reports
Books and research publications
EPI published works including Eco-Economy: Building an Economy for the Earth, The Earth Policy Reader, Outgrowing the Earth, World on the Edge, Full Planet, Empty Plates, Breaking New Ground, and The Great Transition. Together, these works examined food security, ecological limits, energy transition, climate risk, and resource scarcity.
Brand decisions
2015
Wind-down and preservation of institutional archivesStrategyBackground
Lester R. Brown retired at age 81 after leading the institute, and EPI determined that its operating organization would close.
Action taken
The institute announced a June 30 closure while arranging for Rutgers University to keep its website, data, and publications accessible as a legacy archive.
Aftermath
The organization ceased active operations, but its research and educational materials remained available online.
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