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 …

Climate change refers to the long-term changes in temperature and weather due to human
activities. Increase in average global temperature and extreme and unpredictable weather …

Declines in European bird populations are reported for decades but the direct effect of major
anthropogenic pressures on such declines remains unquantified. Causal relationships …

Our study evaluated the effectiveness of using eight pathways in combination for a complete
to transition from fossil fuels to renewable energy by 2050. These pathways included …

We report three major and confronting environmental issues that have received little
attention and require urgent action. First, we review the evidence that future environmental …

Biological invasions are a global consequence of an increasingly connected world and the
rise in human population size. The numbers of invasive alien species–the subset of alien …

For over half a century, worldwide growth in affluence has continuously increased resource
use and pollutant emissions far more rapidly than these have been reduced through better …

Food systems that support healthy diets in sustainable, resilient, just, and equitable ways
can engender progress in eradicating poverty and malnutrition; protecting human rights; and …

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 …

Freshwater ecosystems provide irreplaceable services for both nature and society. The
quality and quantity of freshwater affect biogeochemical processes and ecological dynamics …