Pistas sobre o que faz os pássaros comer plástico...

...e ter diversos problemas de saúde. Já que reduzir o plástico vai demorar anos, pode ser que se consiga produzir plástico menos "apetitoso":
http://www.bbc.com/news/science-environment-37926733


Citando:
"These seabirds actually use odours to find their way around in the world and to find food," said Matthew Savoca, of University of California, Davis.
"We found a chemical on plastic that these birds typically associate with food, but now it's being associated with plastic.
"And so these birds might be very confused - and tricked into consuming plastic as food.""