Summer sale: Save 58%

Andru Okun

Dusting a broccoli seed bed, the speeding plane throws out a tail of insect-killing dust that gets underneath as well as on top of the small leaves. (Bettmann/Getty Images)

The toxic legacy of DDT

Andru Okun
(Getty/RomoloTavani)

Book review: How our planet grew so warm

Andru Okun