In demography, our most common population projection tool is called cohort component projection. This tool treats different age groups (cohorts) separately, applying rates representing the three ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. The global population landscape is set to experience a significant shift, as some countries grapple with dramatic ...

Direct democracy through state ballot initiatives, initiated by both citizens and legislatures, holds potential for policy change relating to a large array of important social issues, including ...

Research shows that our rapidly growing human population increases pressure on society and the environment, making it harder to address problems ranging from public health concerns to climate ...

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”, cited by 23 ...