A new study conducted at the Norwegian Institute for Air Research suggests wind-borne microplastics are a bigger source of ocean pollution than rivers, the route that has attracted most attention to date.
To understand sea turtle behavior around ocean plastics, the research team compared how sea turtles in a lab setting reacted to smelling odors of turtle food, ocean-soaked plastic, clean plastic and water.
The turtles ignored the scents of clean plastic and water, but responded to the odors of food and ocean-soaked plastics by showing foraging behavior. This included poking their noses out of the water repeatedly as they tried to smell the food source, and increasing their activity as they searched.
In his book Sapiens: A Brief History of Humankind, historian Yuval Noah Harari traces the path left by Homo sapiens as our species spread over the world, causing the extinction of other human species and sub-species, and half of the planet’s big beasts. He describes the extinctions as happening in three waves.
Divers & dumped chemical weapons in the Baltic
The Swedish Coast Guard is responsible for surveillance of and response to oil and other harmful substances at sea. Why do we have these problems today? While a complete history is beyond the scope of this article, I will discuss dumping at sea from German stores.
Persistent organic pollutants (POPs) can spread globally through air and water, accumulate in the food chain, and may have carcinogenic, neurodevelopmental, immune or endocrine effects on both wildlife and humans.