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this post was submitted on 18 Aug 2024
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This is surprisingly often the case. At a short term scale, improvements in the local environment are at odds with improvements towards preventing climate change (hydropower is the poster child for this). Long term though, it's almost always better to prioritize the large scale, as failing to limit climate change will ultimately make any efforts to protect local environments futile.
What do you mean by the hydropower? I'm not familiar with this 'poster child'
Usually, for a hydro power plant to be effective they require a dam to be built. This significantly changes the surrounding landscape by flooding large areas of land and also reduces the ability of fish to travel through whichever waterway is dammed up.
Enviromental activists often decry and try to prevent these types of developments because of this - they consider these changes to ruin the local environment.
On the other hand, hydropower is possibly the most useful source of renewable electricity, having a large implicit storage capacity that can be released at any moment.
Same with trains, in the UK swampy famously protested the building of a high speed rail line because it's construction resulted in the destruction of an old growth forrest
Fish ladders can be built for them to cross dams but the flooding is a problem
FYSA: https://en.m.wikipedia.org/wiki/Poster_child
As described in the second half of that article, it's a colloquialism.