Overview
Imperial College London experts say standard party balloons can take years to break down.
Source
Originally published at www.bbc.co.uk.
Conflict & War
Scientists invent 'world's greenest party balloon'
Key Takeaway
Imperial College London experts say standard party balloons can take years to break down.
Frequently Asked Questions
What is "Scientists invent 'world's greenest party balloon'" about?+
Imperial College London experts say standard party balloons can take years to break down.
Who reported this story?+
This story was reported by BBC News.