Pure Earth (originally Blacksmith Institute) is a New York City-based international nonprofit founded in 1999 that works to identify and address pollution-related issues in low- and middle-income countries. Pure Earth's work focuses on two key pollutants: lead and mercury.

The Global Lead Program works on reducing lead poisoning from three key sources poisoning millions of children in low- and middle-income countries: the unsafe and informal recycling of used lead-acid batteries,