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Originally Posted by someone123
One thing I find a bit silly is how planning rules have shifted to creating pseudo wilderness areas and setbacks around bodies of water. I'm not sure it's that significant environmentally, but people get a lot less waterfront access. Some environmentalist NIMBY groups push for land near them to be set off limits, but in the end I wonder if it's not worse than just having a more compact urban area.
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Oh it's absolutely better to have a compact urban footprint. No question at all. Those policies are mostly the best environmental protections that are politically feasible rather than the actual best. Also, it depends on the policy, but some of those type of planning restrictions aren't directly about helping the environment and more about utilizing ecosystem services. That's the term for letting natural processes (often with human cultivation or guidance) perform functions that would otherwise require greater investment in traditional "grey" infrastructure.
For instance, a lot of waterways have a flood risk and/or poor drainage, so having a buffer space between them and development reduces the need for water management. This is especially important when a lake or river has adjacent wetlands, typically in the form of marshy areas since they can absorb water reducing the effect of heavy rain events. I forget all the details, but the province actually has restrictions on the destruction of wetlands and requires new ones to be restored or created if one is destroyed. These things tend to be as much about saving money as anything since ecosystem services tend to cost about 1/4 as much as using traditional methods to achieve the same thing.
Also, there are some cases that creating such buffer spaces around water bodies actually increases access since you don't have it bought up as private property that outsiders can't access without trespassing. So enjoyment isn't limited to those who can afford waterfront real estate.