Research shows that eucalyptus bark could be used to clean polluted water, filter dirty air and capture carbon dioxide.

Eucalyptus bark is usually stripped from logs and treated as waste. The new study, published in the journal Biomass and Bioenergy, describes a technique of turning the bark into a porous form of carbon that can trap pollutants which flow through it.

Finding a use for the forestry by-product came as a surprise to the researchers.

https://connectsci.au/news/news-parent/9302/Barking-up-the-right-tree-for-cleaner-air-and