Invasive Species and Toxic Chemicals

[Staff]

Invasive Species and Toxic Chemicals
Host: Rebecca Williams
Show date: 08/12/2010

The Environment Report: Invasive Species and Toxic Chemicals
excerpt from above:
Summary:

Invasive species and toxic chemicals...

This is The Environment Report. I’m Rebecca Williams.

There are these chemicals called PCBs or polychlorinated biphenyls. They were found to be toxic decades ago. The Environmental Protection Agency considers them to be probable human carcinogens. They were banned in the 1970s, but they’re still all around us. They’re buried in the sediment at the bottom of some of our rivers and lakes. Now researchers are finding invasive species are passing these old, toxic chemicals up the food web...