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Biomass cultivation and harvest: global trends and prospects

Trends in pressures on land and water for food, animal feed, natural fibres and botanically-derived fuels, in world population, in demands per capita, and the growing interactions as a result of these trends suggest some seriously underestimated problems and emerging constraints for the immediate decades ahead. The social background of persistent disparities but growing awareness, and escalating potential for destruction and bilogical injury, lend urgency to the need for a greatly improved and internationally coordinated attack on these problems. More effective support for, and use of, the existing machinery of the United Nations are seen as the only immediately feasible step in this direction.