在美國加州，藻華導致數百隻海獅中毒及死亡。 氣候變化再加上大雨將肥料及其他營養物質沖到海洋，引致藻類極速生長。魚類、蛤蜊及蚌等小型動物會食用這些藻類，而海獅等其他大型動物則因食用牠們而中毒。這些有毒物質會令海獅出現神經系統問題，引致癲癇發作、腦部受損甚至死亡。
In California, hundreds of sea lions are poisoned and killed by a harmful algal bloom. Climate changes as well as heavy rains that wash off fertilizers and other nutrients into ocean has intensified the blooms. Animals like fish, clams and mussels feed on these algae, and other larger animals like sea lions consumed them. The toxic causes neurological problems like seizures and brain damages to the sea lions, and some will be killed.
