Polluted Air

by Clayton Trapp

Published 1 January 2004
Looks at the natural resources earth's animals and plants need to survive and the human activities that threaten to destroy them. Case studies highlight problems and possible solutions Includes maps, stunning photographs, fascinating fact boxes, useful contacts and suggestions for further reading.

Green Alert: Polluted Air

by Clayton Trapp

Published 23 February 2004
"Green Alert" introduces readers to environment issues, exploring the causes and effects. It features case studies from around the world, and includes projects to help creative planning, decision-making and problem-solving skills.