New Scientist: From dragonflies to bears, when it comes to lost species we ain't seen nothing yet.
Biologists are getting rattled about growing evidence of "extinction debt" - the idea that there is a delay of decades or even centuries between humans damaging ecosystems and the demise of species that live there.
In the largest extinction debt study to date, Stefan Dullinger of the University of Vienna, Austria, ranked 22 European countries according to the proportion of domestic species classed as endangered...