June 5 is the first World Environment Day in the new millennium. Kofi Annan, UN Secretary-General issued a speech on May 30, pointing out a healthy environment is a long-term development objective of human societies...

Before this UNEP publicized the global environment report, informing of increasingly serious environment challenges facing the human beings in the 21st century. These challenges include water shortage, environment deterioration, resource shortage caused by fast growing population...