A juvenile sea lion sick with a blood infection known as leptospirosis lays in an enclosure at the Marine Mammal Center in Sausalito, California, U.S., May 8, 2021. (Photo/VCG)
Parts of the sea areas near the coast of California have been seriously polluted. Due to the long-term waste dumping, the ecological environment of the sea area has been seriously affected. One in five California adult sea lions have died from cancers, with pollutants such as pesticides playing a significant role.
A sick sea lion lays on the ground at the Marine Mammal Center in Sausalito, California, U.S., May 8, 2021. (Photo/VCG)
A Marine Mammal Center veterinarian staff takes care of a sick juvenile sea during an examination in Sausalito, California, U.S., May 8, 2021. (Photo/VCG)
A sick sea lion is seen at the Marine Mammal Center in Sausalito, California, U.S., May 8, 2021. (Photo/VCG)
