Have you ever seen brown or green goo floating on a river or in the ocean? Or have you noticed how the walls of a fish tank sometimes turn green and slimy? These are all examples of algae—but there is ...

Dr Neil Reid from Queen's University is wary of claims the algae has killed wildlife When the largest lake in the UK turns green, it's hard not to wonder about the effect on local wildlife.

Blue-green algae has returned to Lough Neagh in high levels. Large green mats have formed around the lough, particularly in the north-east. The blooms previously closed bathing waters in ...

Spirulina is a dark green algae that grows on the surface of lakes. Here in Kenya, it grows on Lake Victoria, therefore it is readily available in many supermarkets and health food shops.