EPA is announcing the winners of the 2023 Green Chemistry Challenge Awards for new and innovative green chemistry technologies. Through the design of chemical products and processes that reduce or eliminate the generation and use of hazardous substances, this year's winners have developed solutions to significant environmental challenges such as climate change and spur innovation and economic development. An independent panel of technical experts convened by the American Chemical Society Green Chemistry Institute formally judged the 2023 submissions and made recommendations to EPA.