Utah's megadrought could trigger 'catastrophe' and unleash arsenic dust 'death cloud' A huge megadrought is changing entire ecosystems in one of America's biggest saltwater lakes. Utah's Salt Lake's water levels are almost at the lowest they've been in half a century The video will auto-play soon8Cancel Play now Don't miss a thing by getting the Daily Star's biggest headlines straight to your inbox!Invalid EmailSomething went wrong, please try again later. Sign up today! We use your sign-up to provide content in ways you've consented to and to improve our understanding of you. This may include adverts from us and 3rd parties based on our understanding. You can unsubscribe at any time.More info