Environment

Toxic Algae Killing off Sealife, Possible Threat to Humans

“One part of this organism’s life cycle is when it becomes a cyst, like a spore or seed that sits on the bottom,” she said. “When the environmental conditions become optimal — and we don’t know what those conditions are — these cysts can burst out of their little seed pods and come back to life. The worry is that when they bloom we get these giant red tides.”

“Alarm Bells” Ring. 53% of Sea Snail Shells Dissolving

Until now, the impact on marine species from increasing ocean acidity because of climate change has been something that was tested in tanks in labs, but which was not considered an immediate concern such as forest fires and droughts.

The new study, published in the Proceedings of the Royal Society B, a scientific journal based in England, changes that.

Plastics in Great Lakes Research

What’s more concerning is that plastic has been found to act like a sort of sponge, concentrating toxic chemicals that are diluted in oceans and lakes. Such toxins include heavy metals and chemicals that have long been banned, such as DDT or PCBs, that can have severe environmental effects and are known to cause cancer and birth defects.