ES&T's Best Papers of 2020.

On reflection of how challenging the year 2020 was globally, it is testament to the commitment and dedication of the scientific research community around the world that Environmental Science& Technology (ES&T) continued to receive exceptional and outstanding quality research work during this period. In 2020, ES&T published approximately 1700 manuscripts, sharing novel and impactful research accomplishments across a broad and interdisciplinary range of environmental science and technology areas. The determination of our community to continue to research, innovate, and publish despite the many constraints is inspirational.