ecological crises

At the beginning of the nineteenth century, it is estimated that the total number of passenger pigeons in the United States was about three billion birds. The bird was immensely abundant, as illustrated by this passage written by the famous ornithologist, naturalist and painter John James Audubon: ‘I dismounted,… »

By John Scales Avery A new freely downloadable book I would like to announce the publication of a book, which reviews the lives and thoughts of some of the women and men who have addressed the crucial problems of ecology and sustainability that we are currently… »