It's one of several ideas environmental groups pitched on Saturday in a bid to cut down on marine plastic pollution.

"It had been vomiting blood before it died," a marine biologist told Reuters.

The milkman concept is coming back to help the environment. Major brands are committing to reusable glass and metal bottles they can retrieve from your doorstep to clean and refill for the next customer.

The whale, which was a young male, can grow to weigh around 40,000 kg, but appeared severely under-nourished. Officials say it was only 6.5 kilograms in weight.

The video shows the manta rays weaving their way through hordes of trash as they try to feed on Nusa Lembongan, an island off the coast of Bali.

A Canadian artist used 10,000 plastic bottles to create mesmerizing mermaid displays to get people thinking about how much plastic they waste.