Stewart Brand is recognized for founding the Whole Earth Catalog, a publication aimed at empowering individuals through access to tools, books, and resources for self-education and environmental awareness. Launched in 1968, the catalog promoted countercultural values and sustainable living, appealing to those seeking alternative lifestyles. Brand's work encouraged readers to take an active role in shaping their environment and community, fostering a spirit of innovation that continues to inspire eco-conscious movements today.