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London Smog
The Great Smog of London, or Great Smog of 1952, was a severe air-pollution event that affected the British capital of London in early December 1952. -
Clear Air Act - UK
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EIA
The NEPA (National Environment Policy Act) was passed by the US Government in 1969, giving the environment the same status as economic priorities. Over the next two decennials, many other countries have also adopted the EIA as part of their Government. -
UNEP implements rules to introduce and promote EIA
United Nations Environment Programme (UNEP) adopts the EIA. -
EIA World Bank
The World Bank begins to promote EIA in its policies. -
Montreal Protocol
The Montreal Protocol on Substances that Deplete the Ozone Layer is an international treaty designed to protect the ozone layer by phasing out the production of numerous substances that are responsible for ozone depletion. -
Kyoto Protocol
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Gothenburg Protocol
The 1999 Gothenburg Protocol to Abate Acidification, Eutrophication and Ground-level Ozone (known as the Multi-effect Protocol or the Gothenburg Protocol) is a multi-pollutant protocol designed to reduce acidification, eutrophication and ground-level ozone by setting emissions ceilings for sulphur dioxide, nitrogen . -
Millenium Development Goal
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Minamata Convention Born