Crucially many of the oldest

[pumpui momo]

Crucially, many of the oldest urban trees will have spent the majority of their lives in conditions that were significantly less desperate. While in human terms the invention of tarmac in 1902 may seem like the distant past, for a three-century-old tree the era of these impermeable surfaces – which allow precious water to flow off into drainage channels rather than percolating down into the ground where it can be accessed – is relatively new.

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