There have been five Mass Extinction events in the history of Earth's biodiversity, all caused
by dramatic but natural phenomena. It has been claimed that the Sixth Mass Extinction may …

The tropics contain the overwhelming majority of Earth's biodiversity: their terrestrial,
freshwater and marine ecosystems hold more than three-quarters of all species, including …

Here we build on the manifesto 'World Scientists' Warning to Humanity, issued by the
Alliance of World Scientists. As a group of conservation biologists deeply concerned about …

The population extinction pulse we describe here shows, from a quantitative viewpoint, that
Earth's sixth mass extinction is more severe than perceived when looking exclusively at …

Most people can name a mammal or bird that has become extinct in recent centuries, but
few can name a recently extinct plant. We present a comprehensive, global analysis of …

We are currently facing the sixth mass extinction of species in the history of life on Earth,
biologists claim—the first one caused by humans. Activists, filmmakers, writers, and artists …

Molluscs comprise the second largest phylum of animals (after arthropods), occurring in
virtually all habitats. Some are commercially important, a few are pests and some carry …

With the biodiversity crisis continuing unchecked, we need to establish levels and drivers of
extinction risk, and reassessments over time, to effectively allocate conservation resources …

Global species extinction rates are orders of magnitude above the background rate
documented in the fossil record. However, recent data syntheses have found mixed …

1. Insects have emerged as causes célèbres for widespread concern about human effects
on global biodiversity. Here, we consider how insects provide opportunities both to …