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Earth

Illegal toxic waste spotted from space

By Shanta Barley

30 September 2009

New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

No hiding place

(Image: S. Silvestri et al.)

Scanning the skies

Scanning the skies

(Image: Skytem)

MOVE over Erin Brockovich. Today’s environmental detectives can use radar, helicopters and even satellite images to help them spot illegal toxic waste dumps and help catch those responsible.

Ironically, the tightening of restrictions on waste disposal and the enforcement of new recycling laws have made illegal dumping more likely, turning it into big business for the criminals involved.

The trouble is digging up suspect dumps to investigate their contents can release toxins into local water supplies. But with new remote-sensing techniques, such as ground-penetrating radar (GPR), you…

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