Oil Spills - Environmental Disasters Author:Jane Walker Throughout the world, the environment has suffered the consequences of both natural and man-made disasters. In this series, the results of relentless human progress are explored. Oil Spills looks at how oil spills occur, the damage they cause on wildlife and ways to avoid future oil pollution. The Ozone Hole investigates what has caused the hole... more » in the ozone layer, the danger it presents and possible ways to safeguard against further destruction.« less