Prof. Dr Bernd Herrmann

In 1962, biologist Rachel Carson published her world-famous book “Silent Spring”, in which she warned of the consequences of inconsiderate use of DDT. DDT accumulates in the food chain and, thanks to its ­hormone-mimicking effects, causes serious damage to the organisms ­at the end of such food chains. One such effect is that the shells of many birds’ eggs become so thin that they break during incubation. The consequence: a silent spring without...