Lead from gasoline discovered in Indian Ocean

Since the 1970s, leaded gasoline has been slowly phased out worldwide, as studies have shown that lead can cause neurological and cardiovascular damage and degrade vehicles’ catalytic converters. Today, 185 countries have stopped using leaded gasoline; six others, including Afghanistan, Iraq and North Korea, plan to phase it out in the next two years. But while leaded gasoline usage has decreased drastically in the last few decades, lead is still pervasive in the environment.

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