Arlene Blum.

About Arlene Blum

Arlene Blum is an American mountaineer, writer, and environmental health scientist. She is best known for leading the first successful American ascent of Annapurna (I), a climb that was also an all-woman ascent. She led the first all-woman ascent of Denali, and was the first American woman to attempt Mount Everest. She is executive director of the Green Science Policy Institute, an organization of scientists who develop and communicate peer-reviewed research to develop innovative solutions to reduce the use of toxic chemicals.