How much CO2 can urban forests store?

Resilience Blog

A new University College London (UCL) study, published in Carbon Balance and Management, used publicly-available airborne LiDAR (Light Detection and Ranging) data collected by the UK Environment Agency, combined with ground-based LiDAR measurements, to generate a map of carbon stored in an estimated 85,000 trees across the London Borough of Camden.

According to the researchers, urban forest can contain as much carbon as tropical rainforests. They found that areas such as Hampstead Heath store up to 178 tonnes of carbon per ha, in comparison to the median value for tropical rainforests of 190 tonnes of carbon per ha.

“The trees in our cities are important. They matter because they are close to people and are a key component of our urban environment providing beauty, shade and homes for myriad species as well as absorbing carbon and pollutants. The work being carried out at UCL is adding color and detail to this understanding,”…

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