Who built the world's largest plastic pyramid?

Yahoo News Australia spoke with Mike Smith from Zero Co who has begun a new movement to combat global plastic waste called 100YR CLEANUP. Video: Michael Dahlstrom

Video transcript

- Who built Egypt's three-story plastic pyramid? Gaza's famous pyramids were built 4,500 years ago.

- The pyramids. Monuments enduring.

- But this new plastic pyramid could actually outlast them all. That's because every piece of plastic ever produced is still in the environment. The pyramid was built by Australian entrepreneur, Mike Smith.

MIKE SMITH: To solve this kind of global waste problem, it's going to require everybody all around the world doing their little bit. And this is my attempt to kick-start a movement.

- Hundreds of volunteers were involved in the process. And around a million plastic bottles were hauled out of the Nile River. That alone took about a month. It then took five days to construct the pyramid. And Mike will be sleeping there ahead of the COP27 global climate talks.

MIKE SMITH: I made it through the first night. And the goal here is to be doing a whole bunch of these types of events and clean-ups all around the world every year for the next 100 years.

- All of the bottles will then be recycled. So now you know.