The purpose of this forum is to share examples in your community or from your work of promoting green businesses. Existing tools include the following:

Marketing by producers of green products
Public information portals regarding green energy or building standards (ie Energy Star)
Technical assistance by multilateral organizations, governments, NGOs and utility companies (eg free energy audits, cooperative development)
Voluntary industry standards (eg LEED Green Building, green mortgages)
Tax incentives, loans, rebates (eg. DSIRE)