In June 1992, world leaders, scientists, activists, and representatives of non-governmental organisations gathered in Rio de Janeiro, Brazil , for a historic meeting called the United Nations Conference on Environment and Development (UNCED) — more popularly known as the Rio Earth Summit . Rio Earth Summit 1992 This was not a random event. It took place exactly 20 years after the first major UN environmental meeting, held in Stockholm in 1972 . Over two decades, the world saw growing concerns: environmental degradation, loss of biodiversity, climate change, and deepening poverty. These issues made it clearer that development and environment were deeply linked — you couldn’t separate economic progress from ecological health. The Rio Summit was born from this realisation: sustainable development needed to become a guiding principle. That meant thinking about how to grow economies, but without destroying the planet in the process. The summit brought together nearly 179 countries...
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