An alternative theory says that abnormally hot weather could have triggered a toxic algal bloom.

Weeks before the monsoon of 2001 there was an unusual bout of heavy rains, which may have set off an algal bloom.

Toxic algal bloom season, which seems to be getting longer each year due to climate change, can turn the anchovy supply poisonous.

You could go to the beach – but what if it’s closed because of an algal bloom?

These dissolved nutrients eventually end up in local rivers, where they create problems with algal bloom.