Oceans

The Marine Mammal Commission estimated that 1,300 belugas were in Cook Inlet in 1972. Now there are fewer than 269 whales left.

Environmental groups have expressed concern that the Navy does not do enough to mitigate its impact on marine life, from whales and porpoises down to zooplankton.

Adjusted for inflation, the initial salmon fishery value for 2020 is the lowest since 2006.

A team of international researchers found that heat from rivers melted as much as 10% of Arctic sea ice between 1980 and 2015.

Villages from the Yukon River Delta north to Kivalina reported severe weather, including high seas.

The court is still allowing thousands of engineered fish raised in tanks in the Midwest to reach American consumers by the end of the year.