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<p>New research from scientists at UC San Diego’s Scripps Institution of Oceanography and San Diego State University (SDSU) finds deep-sea fish and sediments collected from near the Catalina Island offshore dump site are contaminated with numerous DDT-related chemicals. </p>

Scientists have found DDT in zooplankton and deep-sea fish off the coast of L.A., indicating the toxic chemical might be infiltrating the base of the food web.

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 State University researchers found Monday.

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 State University researchers found Monday.

We need to pay more attention to toxic emissions from tires as vehicles roll down the road, researchers and regulators say.

We need to pay more attention to toxic emissions from tires as vehicles roll down the road, researchers and regulators say.

'It’s a thousand-piece jigsaw.'

Tires emit huge volumes of particles and chemicals as they roll along the highway, and researchers are only beginning to understand the threat. One byproduct of tire use, 6PPD-q, is in regulators’ crosshairs after it was found to be killing fish.

For decades, concerns about automobile pollution have focused on what comes out of the tailpipe. Now, researchers and regulators say, we need to pay more attention to toxic emissions from tires as vehicles roll down the road.

Tires emit huge volumes of particles and chemicals as they roll along the highway, and researchers are only beginning to understand the threat. One byproduct of tire use, 6PPD-q, is in regulators' crosshairs after it was found to be killing fish.