oh u want to go into that
fish now are basically toxic ............the mercury lvls in them have shot up in the last 20 years and eatting a diet of only fish or mainly fish is having some pretty bad effects on ppl
link
then u have a increase in mass beaching and i mean a increase every year the numbers of counted dead sea life showing up on shores
l
ink
then we got the blobs of goo
link
and given our planet is 2/3 water most of the quakes/shifts/openings are in the water and this can cuase massive releases of toxic things that kills off most things and leaves those little tube worms things no one can eat
i know the links of from where they are but u can check the info for self on others i grabbed the first decent ones i could from a quick 1 sec search