Forests - what in the world are they for?, George M. Woodwell; the role of the world's forests in global warming, Richard A. Houghton; indigenous knowledge in the conservation and use of world forests, Darrell A. Posey; from empty-world economics to full-world economics - a historical turning point in economic development, Herman E. Daly; government policy, economics, and the forest sector, Robert Repetto; conservation and sustainable development of forests globally - issues and opportunities, Jagmohan S. Maini and Ola Ullsten; the need for an international commission on the conservation and use of world forests, Kilaparti Ramakrishna.