1. Rasilimali Muhimu 01-01-1993 For developing nations, soil erosion is among the most chronic environmental and economic burdens. Vast amounts of topsoil are washed or blown away from arable land only to accumulate in rivers, reservoirs, harbors, and estuaries, thereby creating a double disaster: a vital resource disappears...
  2. The aims of this book is to show just how rewarding our green inheritance is to mankind-to demonstrate the wonder and worth of plants, and their great potential, to explain why they cannot take any more punishment, and to point out how those that remain can be saved.
  3. The purpose of this book is to provide conservation organizations with a concise guide to information on threatened plants. Rather than providing information on each threatened plants, it shows how to find the information.