Loss of biodiversity is one of the critical challenges faced both by our planet and our species, as many plants and animals have been eradicated from human-dominated landscapes or remain in small ...

Populations of organisms do not remain constant; the number of individuals within a population changes, sometimes dramatically, from one time period to the next. Ecologists have documented examples of ...

Your support goes further this holiday season. When you buy an annual membership or give a one-time contribution, we’ll give a membership to someone who can’t afford access. It’s a simple way for you ...

Discover the significance of the working-age population, typically aged 15-64, in shaping economic outcomes and employment ...

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 ...

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 ...

The past 10 years have seen a steady increase in the number of international migrants across the globe, now totaling 214 million people. Ahead of the upcoming Commission on Population and Development, ...

When you choose where to live, open a store, allocate a public budget or design a marketing campaign, population data by ZIP code is often the missing piece that makes your decision truly data‑driven.

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 ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Representative sampling and random sampling ...