Alaska's melting permafrost is dumping toxic metals into the state's rivers, turning them bright orange and making the water highly acidic. The contaminated rivers are so vibrant they can be seen from space, and the problem is likely to get much worse in the future.
Exactly what's said in the article. It's more of a thing way north of me thst primarily affects the Arctic circle region and anything stemming from it. It's apparently not a new thing, but it's also becoming rather more frequent.