Economic growth and valuation of the environment : a debate pt. 1. Setting the stage pt. 2. Reflections pt. 3. Green accounting and sustainable national income pt. 4. Conclusion The debate on the valuation of nature and the environment sustainable national income and economic growth is one of prime importance in environmental economics. Economic Growth and Valuation of the Environment deals with the fundamental approaches to calculating sustainable national income and their implications for the valuation of the environment