Melbourne's Urban Forest Strategy — A 20-Year Plan to Double Canopy Cover from 20% to 40%

The City of Melbourne adopted its Urban Forest Strategy in 2012, a 20-year plan targeting an increase in tree canopy cover from around 20% to 40% by 2040, alongside species-diversity caps (no more than 5% of one species, 10% of one genus, 20% of one family) intended to protect against pest and disease losses from monoculture planting.
The strategy is delivered through precinct-level Urban Forest Precinct Plans, backed by AUD 2-2.3 million in annual capital funding. By the early 2020s the municipality had planted well over 80,000 trees under the program, including more than 1,300 in the Central Business District, and modelling indicates at least 3,000 new trees are needed each year through 2040 to hit the canopy target.
Independent RMIT University analysis found that while Melbourne's inner and western areas have gained canopy, the city's eastern and south-eastern suburbs lost close to 2,000 hectares of tree cover on residential and park land between 2014 and the late 2010s, and that many street trees planted in the same era will reach the end of their useful life simultaneously - a structural risk the City's own monitoring acknowledges. The program is a useful model for canopy-target governance, but its outcomes are visibly uneven across the city and are not yet independently verified for carbon or water-retention gains.

Read the full analysis: https://www.melbourne.vic.gov.au/urban-forest-strategy