Environmentalists aim to prove that public trees are more than ornaments to look at.

The Guerrilla Grafters is an environmental activist group in San Francisco, USA. The group believes that “trees are a precious thing to waste on simple flowers” and aims to make public trees more practical by grafting fruit branches onto them. In some states, it's illegal to have fruit bearing trees on pedestrian footpaths as fallen fruits become a health and safety hazard, which is also believed to attract insects and rodents. Nevertheless, the Guerrilla Grafters state that with vigilant care, fruit trees can be beneficial for city residents in providing free healthy food.

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