E8 Angels | 3,762 followers on LinkedIn. Cleantech investing for a prosperous, sustainable world. | E8 Angels is a non-profit angel investing community that exclusively supports and invests in clean technology and sustainability companies. We meld our pursuit of profitable investments with our pursuit of a higher purpose – accelerating the transition to a cleaner future and a better world. Since its founding in 2006, E8 members have invested over $68M into 170+ cleantech ventures.