Cleantech Open

US · Climate · Pre-seed, Seed

Terms checked 7 Oct 2026 against the official page.

Cleantech Open runs an annual cleantech business accelerator providing early-stage clean technology startups with mentoring, a 12-week curriculum of workshops and boot camps, investor networking, and showcase prize opportunities.

The terms

Program length
12 weeks (checked 7 Oct 2026)

Official page

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