A new study of the genetic profiles of wild and hatchery coho salmon demonstrates important distinctions in how the two types of fish form mating pairs.

A fifth of world population is affected; many U.S. cities on list

The proportion of the world’s population exposed to floods grew by 20 to 24 percent—ten times greater than what previous models had predicted.

When COVID-19 pandemic began in the US, counties and cities across the nation imposed stay at home orders, closed schools or imposed travel restrictions.

By mid-century, once dominant winter sports may slowly be replaced by activities less dependent on perfect winter conditions according to recently released research about changing patterns of recreation on public lands.

Interviews with Northern California residents reveal that social norms and social support are essential for understanding protective health behaviors during wildfire smoke events – information that could be leveraged to improve public health outcomes.

Extreme sea levels along coastlines across the world will become 100 times more frequent by the end of the century.

New research shows how deforestation and population growth have greatly impacted landslide risk in the Kivu Rift.

While methane concentrations are well observed, emissions have to be inferred based on a variety of factors.

Study finds low-rise, high-density urban environments are optimal for reducing GHG emissions.