Urban Growth
In 1940, 1 person in 8 lived in a urban center. Today, almost half of the world's population lives in a city.
A UN Concern

The UNEP Environmental Series

Click on any of the titles below for a picture, description and ordering information.

Global Biodiversity
Water Quality of World River Basins
The Pollution of Lakes and Reservoirs
Freshwater Pollution
Urban Air Pollution
The African Elephant
Glaciers and the Environment
The El-Niño Phenomenon
The Impacts of Climate on Fisheries
The Impact of Climate Change
The Contamination of Food






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