past century

Rainfall patterns have become more erratic over the past century: Solid evidence of human impact - EurekAlert

Rainfall patterns have become more erratic over the past century: Solid evidence of human impact - EurekAlert

New study shows sea otters helped prevent widespread California kelp forest declines over the past century — kelp forests are more extensive and resilient to climate change where sea otters have reoccupied the California coastline during the last century.

Sea otters helped prevent widespread California kelp forest declines over the past century

Long-lasting La Nina events more common over past century