Once, millions of monarchs wintered in California. But climate change, habitat loss, widespread pesticide use and disease ...

Donald Trump has criticized conservation efforts concerning the delta smelt as detrimental to California firefighting ...

On Thursday, the Aquarium of the Pacific released its first Marine Species Report Card, detailing the population trends of 30 ...

The number of monarch butterflies spending winter in the western U.S. dropped dramatically this year, despite moves to extend ...

President Trump has already begun to introduce changes that weaken the Endangered Species Act, a cornerstone of U.S. conservation law.

This year the organization counted 9,119 monarchs, the second-lowest total since tracking began in 1997. The organization has ...

Just over 9,000 monarchs were counted in California last winter, the second lowest ever since the annual count began in 1997 ...

The U.S. Fish and Wildlife Service is taking steps to list monarch butterflies as threatened species and designate seven ...

If California were to only open up the giant spigot from ... Los Angeles reservoirs are currently flush with supplies from ...

Commercial fishermen who hoped for a loosening of fishing regulations during President Donald Trump’s administration faced a ...

The Western population of the monarch butterfly has declined to a near-record low with fewer than 10,000 found living in ...