Wealthy countries began phasing out leaded gasoline in the 1970s and 1980s due to health and environmental concerns.
Source: tatoeba (10275598)
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Wealthy countries began phasing out leaded gasoline in the 1970s and 1980s due to health and environmental concerns.
Source: tatoeba (10275598)
This scientific assessment monitors the progress of the Montreal Protocol, a global agreement reached in 1987 and put into place in 1989, intended to protect the Earth’s ozone layer by phasing out the chemicals that deplete it, often used as propellants in household products or in air conditioning.
Source: tatoeba (12064351)
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.