ENV100Y5 Lecture 3: Env 100 Fall Lecture 3
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ENV100Y5 Full Course Notes
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People differ in their perception of environmental problems. Communication about environmental issues is further complicated by differences in language and worldview. 4. fish eats ddt larger fish eats smaller fish small birds eat larger fish larger bird eats smaller bird. Ddt have accumulated and increased 10 million times by the time eagles eat it. Summary of introduction: we face many environmental challenges. Basic science of human impacts on the environment. Environmental issues and challenges we are facing as a global community. Comprehensive scientific assessment of the state of the world"s ecosystems and their ability to support life and civilization. Over the past 50 years, humans have changed ecosystems more rapidly and extensively than in any comparable period in human history. This has resulted in a substantial and largely irreversible loss in the diversity of life on earth -millennium ecosystem assessment project (2005) Rapid, extensive changes in the past 50 years; likely to worsen.
