[Gondring]

[...]Rachel Carson lied about the effects of DDT

In what way?

[ikka]

Mis-interpreting scientific study results, raising false alarms about children getting cancer, etc.

http://www.reason.com/news/show/34823.html

[an amused spectator]

In what way?

You'd better do some serious Net surfing on DDT.

[Tucson Jim]

Here! I’ll make it easy.

http://www.junkscience.com/ddtfaq.html

[Spktyr]

For starters, you can eat mass quantities of DDT with no ill effects.

And, it turns out most of the “DDT-caused” wildlife problems weren’t caused by DDT at all.