Petroleum containing tetraethyllead, a form of lead, was first sold almost 100 years ago to increase engine performance. It was widely used for decades until researchers discovered that it could cause heart disease, strokes and brain damage.
UNEP said studies showed leaded gas caused measurable intellectual impairment in children and millions of premature deaths.
“The cost of environmental degradation is real,” said UNEP’s executive director, Inger Andersen, citing what she described as a “very, very ballpark number” of USD2.45 trillion in damage to the global economy prevented by the ban.