The World Summit on sustainable development was held at:

Question

Accepted Answer

The correct option is (1): Johannesburg

The World Summit on Sustainable Development (WSSD), also known as the Earth Summit 2002 or Rio+10, was definitively held in **Johannesburg, South Africa, from August 26 to September 4, 2002**. This highly significant, high-level conference was convened by the United Nations precisely ten years after the pioneering 1992 Earth Summit in Rio de Janeiro. While the Rio summit established the principles and goals of sustainable development, the Johannesburg Summit’s primary mandate was to review global progress and failures in implementing the foundational plan, **Agenda 21**. Its focus shifted strongly towards achieving concrete action, placing a much greater emphasis on the interconnected social and economic pillars of sustainability, particularly the critical issues of poverty eradication, water, energy, health, agriculture, and biodiversity (WEHAB). A central outcome was the **Johannesburg Plan of Implementation**, which championed the formation of **Type II Partnerships**—commitments between governments, civil society, and the private sector—to deliver tangible results and accelerate progress toward global sustainability goals.

The incorrect option is (2): Kyoto

Kyoto, Japan, is inextricably linked with the **Kyoto Protocol**, an international climate change treaty that was adopted there on December 11, **1997**. The purpose of the Kyoto Protocol was very specific: to operationalize the UN Framework Convention on Climate Change (UNFCCC) by setting legally binding targets for greenhouse gas (GHG) emission reductions for 37 industrialized countries and the European Community. The protocol established the first commitment period (2008–2012) and introduced market-based mechanisms like emissions trading and the Clean Development Mechanism (CDM). Therefore, while a critical milestone in environmental governance, the Kyoto meeting was a specialized climate conference focused on emissions caps, not the overarching, comprehensive "World Summit on Sustainable Development" that addressed the full breadth of the sustainable development agenda.

The incorrect option is (3): Rio-de-Janeiro

Rio de Janeiro, Brazil, was the location for the inaugural and foundational conference on the matter, the **United Nations Conference on Environment and Development (UNCED)**, commonly known as the "Earth Summit," which occurred in June **1992**. This event marked the moment that the international community formally adopted the concept of sustainable development on a global scale. Its far-reaching accomplishments included the signing of the Rio Declaration on Environment and Development, the comprehensive action plan **Agenda 21**, and the opening for signature of two critical conventions: the United Nations Framework Convention on Climate Change (UNFCCC) and the Convention on Biological Diversity (CBD). Therefore, Rio hosted the initial summit that defined the agenda, which was then reviewed and expanded upon a decade later in Johannesburg.

The incorrect option is (4): Copenhagen

Copenhagen, Denmark, hosted the **2009 United Nations Climate Change Conference (COP 15)**, which took place in December of that year. This conference was a highly anticipated event whose goal was to succeed the Kyoto Protocol with a new, comprehensive global climate treaty. The conference ultimately resulted in the **Copenhagen Accord**, a non-legally binding political agreement. Although this summit was a major event in global environmental politics and climate action is a component of sustainable development, it was officially designated as a Conference of the Parties (COP) to the UNFCCC, not the "World Summit on Sustainable Development," which is a distinct, broader UN event.