While situations will always be complex and different, and guidelines are not written in stone, NBSI’s co-director Cecil Konijnendijk launched a new rule of thumb for urban forestry and urban greening in early 2021: the 3+30+300 rule.

2024年1月10日 · The 3-30-300 rule provides a set of objective, universal benchmarks for cities to determine how they fare on urban green space proximity, tree canopy coverage, and access, as well as where to target investments for the future.

2022年12月1日 · Recently a new 3-30-300 rule of thumb for urban forestry and urban greening has been proposed, but this rule has not been evaluated for benefits on health. The rule requires that every citizen should be able to see at least three trees from their home, have 30 percent tree canopy cover in their neighbourhood and not live more than 300 m away ...

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2021年7月30日 · To ensure a fair and accessible distribution of trees and green spaces, urban planners are increasingly advocating for the implementation of the 3-30-300 rule, which was first proposed in early...

2024年11月19日 · The 3-30-300 rule is a recently proposed metric that sets minimum standards for access to nature in cities for human wellbeing. It specifies that homes, schools and workplaces should have a view...

3-30-300 rule. We’ll explain this rule below and are of course aware that its application will be more challenging – and perhaps less relevant – in some contexts. The rule recognises that we need to bring trees and nature all the way into people’s neighbourhoods, streets, and on their doorsteps in order to capitalise on their many benefits.

2024年4月22日 · In 2021 Cecil Konijnendijk, Director at the Nature Based Solutions Institute, proposed a new guideline for greener, healthier, more resilient cities: the 3+30+300 rule. The rule sets three minimum criteria for urban trees and green space: At least 3 trees in sight from every home, school, and workplace; At least 30% tree canopy in every ...

2019年12月24日 · The .300 BLK offers more versatility in terms of rifle selection, but in terms of energy the .30-30 bests the .300 BLK by a wide margin. How does the .30-30 Win. stack up to the .300 BLK? Brad Fitzpatrick answers that question in this Cartridge Clash.

Answer: 30 percent of 300 it is 90. In order to calculate 30% of 300 let's write it as fractional equation. We have 300 = 100% and X = 30%. So our fraction will look like: Now we can solve our fraction by writing it as an equation: