A state of Ohio report projects population loss in Northeast Ohio counties. If not addressed, it could have dire implications ...

Monarch butterflies in the western U.S. have dropped to just 9,119 this year. In 2023, the count was 233,394, meaning a 96% decline.

A fungal disease and wind turbines are impacting the provincial bat population, and experts say this could have human consequences.

Researchers analyzed thousands of ancient artifacts to track native American population changes in North America before ...

U of T Scarborough researchers have directly linked population decline in polar bears living in Western Hudson Bay to ...

While budgets are annual exercises, they must account for long-term demographic trends that will shape future growth, jobs ...

A team of environmental scientists from the Instituto Nacional de Pesquisas da Amazônia, Michigan Technologic University and ...

For a long time, researchers have sought to estimate the size of North America’s Indigenous population before European ...

The number of monarch butterflies in California is in sharp decline this year. This is the second-lowest population recording ...

Scientists have quantified how much climate change has driven the population decline of polar bears living in Canada's Hudson ...

The population of the Backward Classes community, which stood at 51 per cent in the BRS government’s survey, dropped to 46 ...

This prolonged fasting drains polar bears’ energy reserves, reducing their ability to reproduce and raise cubs. Without ...