How monoculture farming changes biodiversity:

This image, taken by artist David Liittschwager shows the plants and animals collected in a square meter of South African public park over the course of 24 hours.

This image, from National Public Radio, illustrates the plants and animals found over the course of two nights and three days in an Iowa cornfield.

Robert Krulwich has a fascinating piece about the ways food systems affect ecological systems. How efficient is too efficient?

Via On Earth