The Rio Earth Summit 1992
Chapter Thirty-Four
Syllabus topic 2, "Development"
Pages 135 to 137 of 595
In one line
The United Nations Conference on Environment and Development, held at Rio de Janeiro from 3 to 14 June 1992, produced five instruments and made sustainable development the organising idea of environmental law.
In the wording a student can write in an exam: the Rio Earth Summit was the second global environmental conference, convened twenty years after Stockholm to give effect to the Brundtland Report. It produced the Rio Declaration on Environment and Development, twenty-seven principles; Agenda 21, a programme of action; the Statement of Forest Principles; and it opened for signature the United Nations Framework Convention on Climate Change and the Convention on Biological Diversity. It also established the Commission on Sustainable Development.
Why Rio matters more than Stockholm to an Indian lawyer
Because two of its principles were adopted into Indian law by name.
In the Vellore case the Supreme Court held that the precautionary principle and the polluter pays principle are essential features of sustainable development, and that they are part of the environmental law of India because they are part of customary international law and there is nothing in Indian law contrary to them. Those two principles are Rio Principles 15 and 16.
Nothing similar happened with the Stockholm Declaration. Its Principle 21 became customary law, but no Indian judgment turns on it in the way that the Vellore line of cases turns on the Rio principles.
That is the sentence to write when a question asks which conference mattered more: Stockholm created the subject; Rio supplied the rules Indian courts actually apply.
The five instruments
The Rio Declaration on Environment and Development. Twenty-seven principles, adopted as Annex I to the conference report. Treated in the next two chapters.
Agenda 21. A programme of action for the twenty-first century, adopted as Annex II, organised in four sections on social and economic dimensions, conservation and management of resources, strengthening the role of major groups, and means of implementation. It is not binding and it is very long, and its practical legacy is the idea of local implementation, usually called Local Agenda 21.
The Statement of Forest Principles. A non-legally binding authoritative statement of principles for a global consensus on the management, conservation and sustainable development of all types of forests. Its title records its own failure: the conference could not agree a forest convention, and the compromise was a statement whose name says it binds nobody. That is worth citing when MU asks about forest policy at the international level.
The United Nations Framework Convention on Climate Change. Opened for signature at Rio, and the parent of the Kyoto Protocol and the Paris Agreement.
The Convention on Biological Diversity. Opened for signature at Rio, and the parent of the Cartagena Protocol on biosafety and the Nagoya Protocol on access and benefit sharing. India's Biological Diversity Act 2002 was enacted to give effect to it.
The Rio Earth Summit 1992
And an institution. The Commission on Sustainable Development, created to follow up Agenda 21, later replaced by the High-level Political Forum on Sustainable Development.
What changed between 1972 and 1992
Four shifts, and stating them is what turns a list of outputs into an argument.
Environment and development were merged. The 1972 conference was on the Human Environment. The 1992 conference was on Environment and Development. The title is the change.
The principles became operational. Stockholm's principles are mostly aspirations. Rio's include three that function as rules a court can apply: precaution, polluter pays and, in Principle 17, environmental impact assessment as a national instrument.
Participation entered. Rio Principle 10 requires access to information, participation in decision-making and access to judicial and administrative proceedings, which is the origin of a whole branch of modern environmental procedure.
The treaties arrived. Stockholm produced no treaty. Rio produced two, on the two problems that have dominated the field since.
What Rio did not resolve
Forests. No convention, and a statement of principles that says in its own title that it is not legally binding. India was among the countries that resisted a forest convention, on the ground that forests are a sovereign resource.
Finance. Commitments on new and additional resources for developing countries were made in general terms and were not met on the scale envisaged.
The North and South argument. Principle 7 records it rather than settles it, and the climate negotiations have been conducting it ever since.
Worked example
MU's 2026 short note: "Rio Earth Summit (1992) and its impact on sustainable development policies."
The note has two halves and the second is the one that earns marks. The summit: dates, the five instruments, the Commission. The impact on policies: and here a candidate should be specific and Indian.
Internationally, Rio made sustainable development the organising concept, and every subsequent instrument, the Millennium Goals, the Johannesburg outcome, The Future We Want and the Sustainable Development Goals, descends from it.
In India, three concrete effects. The National Conservation Strategy and Policy Statement on Environment and Development 1992, issued in the same month as the conference. The environmental impact assessment notification of 1994, which made Principle 17 a domestic legal requirement. And the Vellore case in 1996, which adopted Principles 15 and 16 by name as part of Indian law.
Three dated consequences beat any amount of general praise.
Distinctions that carry marks
| Stockholm 1972 | Rio 1992 | |
|---|---|---|
| Title | Conference on the Human Environment | Conference on Environment and Development |
| Principles | 26, mostly aspirational | 27, three of them operational |
| Treaties opened | None | Climate Change; Biological Diversity |
| Programme | Action Plan for the Human Environment | Agenda 21 |
| Institution created | United Nations Environment Programme | Commission on Sustainable Development |
| Organising idea | Protection of the human environment | Sustainable development |
| Adopted into Indian law | Principle 21, as customary law | Principles 15 and 16, by name, in Vellore |
The Rio Earth Summit 1992
Quick revision
- 3 to 14 June 1992, Rio de Janeiro, the United Nations Conference on Environment and Development.
- Five instruments: the Rio Declaration of twenty-seven principles, Agenda 21, the Statement of Forest Principles, and the two conventions opened for signature, on Climate Change and on Biological Diversity.
- The institution: the Commission on Sustainable Development, later replaced by the High-level Political Forum.
- Four shifts from 1972: environment and development merged; principles became operational; participation entered through Principle 10; and treaties arrived.
- Rio matters more to an Indian lawyer because Principles 15 and 16 were adopted by name in the Vellore case as part of the environmental law of India.
- Unresolved: forests, finance, and the North and South argument.
Test yourself
1. Name the five instruments Rio produced.
The Rio Declaration on Environment and Development; Agenda 21; the Non-Legally Binding Authoritative Statement of Principles for a Global Consensus on the Management, Conservation and Sustainable Development of All Types of Forests; the United Nations Framework Convention on Climate Change; and the Convention on Biological Diversity.
2. Why does Rio matter more than Stockholm to an Indian lawyer?
Because Rio Principles 15 and 16, on precaution and on the polluter paying, were adopted by name into Indian law in the Vellore case, where the Supreme Court held that they are essential features of sustainable development and part of the environmental law of India. No Stockholm principle was received in that way.
3. What does the title of the Statement of Forest Principles tell you?
That the conference could not agree a forest convention. The instrument is called a non-legally binding authoritative statement of principles, which records its own limitation in its name, and India was among the countries that resisted a binding forest instrument on the ground that forests are a sovereign resource.
4. Give three dated Indian consequences of Rio.
The National Conservation Strategy and Policy Statement on Environment and Development of 1992, issued in the same month as the conference; the environmental impact assessment notification of 1994, which turned Rio Principle 17 into a domestic legal requirement; and the Vellore judgment of 1996, which adopted Principles 15 and 16 as part of Indian law.
The rest of this subject
These notes are cut from the University's printed syllabus. Open the syllabus itself, or the past papers, for the same subject.