One of the impacts that the Klondike Gold Rush had on Northern Canada was that "<span>a)The Canadian government made the Yukon a territory and began to develop the region," since the sudden influx of capital made it advantageous for them to do so.</span>
<span>Food Sources, Region, Spiritual Practice`s
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I think it was because transportation was made way easier and it offered better options for people who wanted to travel. Also i believe at the time the west was rich because of the foreseen treasures such as gold found there so people wanted to travel west to get rich.
Light pollution can distrupt ecosystems and it also affects the safety of humans and wildlife.