Sustainability or collapse?

an integrated history and future of people on earth

Scholars from a range of disciplines develop an integrated human and environmental history over millennial, centennial, and decadal time scales and make projections for the future. Human history, as written traditionally, leaves out the important ecological and climate context of historical events. But the capability ...

Genetic and cultural evolution of cooperation

Current thinking in evolutionary biology holds that competition among individuals is the key to understanding natural selection. When competition exists, it is obvious that conflict arises; the emergence of cooperation, however, is less straightforward and calls for in-depth analysis. Much research is now focused on ...