Alternative exchange systems reduce reliance on the fragile monetary economy
Tradable energy quotas: A parallel currency to allow equitable distribution and trade of the right to consume and pollute.
Life cycle analysis & ’emergy’ accounting: Wholistic methods for measuring the full costs and benefits of existing and new technologies and economies.
Carpooling, ride sharing & car share: Rebuilding community by more efficient use of existing cars and roads.
Ethical investment & fair trade: Using the power of investment and consumption to drive equitable economies.
WWOOFing & similar networks: Voluntary exchange of work for food, accommodation and experience of ecological living.
Also, check out the work of Ethan Roland & Gregory Landua on the 8 Forms of Capital.