Species Loss and Environmental Problems
Paul Ehrlich, best known for his work on population growth, observes that species and diversity loss is the most irreversible of our environmental problems and should be getting much more attention.
Respecting Planet Earth
Former Sierra Club president David Brower talks about some of the ways humans have damaged planet Earth in the quest for material possessions and wealth. He invokes Henry David Thoreau's sentiment that there's no use for a house if you haven't got a...
Running Out of Energy
Paul Ehrlich, best known for his work on population growth, explores the issue of energy and availability of fossil fuels. According to Dr.Ehrlich, the biggest threat posed by reliance on such fuels is not running out of them but, rather, their nega...
Over-Consumption
Paul Ehrlich, best known for his work on population growth, cites over-consumption as one of the principle threats to the environment.
Endocrine Disrupters and Functional Deficits
Zoologist and World Wildlife Fund senior scientist Theo Colborn explains that endocrine disrupters can lead to functional deficits, including low sperm count and memory problems, as well as immune system disorders and early cancers.
Persistent Organic Pollutants
Zoologist and World Wildlife Fund senior scientist Theo Colborn talks about the global problem of persistent organic pollutants. She observes that it's a difficult problem to solve because some nations continue to use chemicals, such as DDT, even th...
Endocrine Disrupters
Zoologist and World Wildlife Fund senior scientist Theo Colborn explains that additives found in some of the plastic products most of us use every day are "endocrine disrupters."
Environmental Problems and Public Perception
Zoologist and World Wildlife Fund senior scientist Theo Colborn talks about public perceptions of environmental problems, suggesting that the general public is fairly knowledgeable and rational when it comes to evaluating environmental issues.
Endocrine System and the Environment (Part One), The
Zoologist and World Wildlife Fund senior scientist Theo Colborn talks about the Great Lakes environment, where she and her team discovered that offspring of exposed animals were suffering adverse effects that manifested themselves via the endocrine ...
Endocrine System and the Environment (Part Two), The
Zoologist and World Wildlife Fund senior scientist Theo Colborn explains what the endocrine system does and why it's so critical. She then discusses concerns about the link between exposure to chemicals in the Great Lakes in the mid 20th century and...