More than a third of 50 recently surveyed Nobel laureates cited “population rise / environmental degradation” as the biggest threat to humankind. Second on the list was “nuclear war ...

However, many sources of environmental stress affect population growth ... implications for lake management. Science 184, 897–899 (1974). Sibley, R. M. & Hone J. Population growth rate and ...

death of a large number of individuals within the population, or environmental factors that favor certain traits over others. The factors that affect the composition of the gene pool are shaped ...

Polar bears in Western Hudson Bay have seen their population nearly halved over the last several decades, largely due to dwindling sea ice and limited hunting opportunities, according to the findings ...