But even though DDT has clearly been accumulating at the top of the food chain, how the DDT reached these animals has been somewhat of a mystery. Key questions remain on whether it has been coming ...

DDT is an insecticide that can pass up the food chain from insects to small birds, and then from the small birds to birds of prey, like hawks. It can accumulate in the birds of prey, giving them a ...

The filmmakers then dive right into the science of what’s going on and how we’re finding out, exploring how DDT is becoming remobilized and concentrated as it moves up the food chain. Valentine has ...

Marine life off the Los Angeles coast may still be impacted by the effects of a long-disused DDT dumping site, a report from UC San Diego’s Scripps Institution of Oceanography and San Diego ...

and that DDT, though scarce in the water, becomes concentrated as it works its way up the food chain -- from plankton to fish to birds and so on. Her message that humans cannot totally control ...