A recently completed study indicates that intact structures can benefit from leaving existing ivy in place. As a vegetative canopy, ivy can serve as a shield against the effects of temperature fluctuations and pollution. Professor Heather Viles of Oxford University’s School of Geography and the Environment, commenting on the three-year project, offers guidance for those maintaining historic monuments:
Ivy has been accused of destroying everything in its path and threatening some of our best-loved heritage sites. Yet these findings suggest that there are many benefits to having ivy growing on the wall. It not only provides colourful foliage but also provides walls with weather-proofing and protection from the effects of pollution.
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