Paul Anastas

Paul Anastas is an American chemist and environmental scientist who helped found green chemistry and developed its guiding principles.

Green chemistry: Green chemistry designs chemical products and processes to reduce or eliminate hazardous substances and waste. Anastas helped establish this field as a distinct approach to chemical design.
John C. Warner: An American chemist who co-developed the twelve principles of green chemistry with Paul Anastas. Warner was Anastas’s key collaborator in codifying green chemistry.
Atom economy: A measure of how much of the reactants’ atoms are incorporated into the desired product. It expresses the waste-prevention goal in a way chemists can apply to reactions.
Pollution prevention: The reduction or elimination of pollution at its source rather than treatment after it is produced. Anastas carried this preventive logic into molecular and process design.
Twelve principles of green chemistry: A framework of twelve guidelines for designing safer, more resource-efficient chemical products and processes. Anastas and John Warner formulated these principles to make green chemistry actionable.
U.S. Environmental Protection Agency: The United States federal agency responsible for protecting human health and the environment. Anastas established and led the agency’s green chemistry program.
Renewable feedstock: A raw material replenished on a human timescale and used to make fuels, chemicals, or materials. Green chemistry encourages replacing finite feedstocks when doing so reduces overall harm.
Green chemistry movement: A scientific and industrial effort to make chemical products and processes safer and less wasteful. Anastas’s principles and institutions helped shape this movement.
Green chemistry metrics: Quantitative methods for assessing chemical processes’ use of materials, energy, hazards, and waste. Metrics help evaluate the design goals Anastas promoted.
Yale School of the Environment: A Yale University school focused on environmental science, policy, and management. Anastas has held academic leadership and teaching roles at Yale.

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