A marker displaying the receding of the Athabasca Glacier in Columbia Icefield; Alberta, Canada

vast melt alberta outdoors day daytime sunlight color colour close up beautiful retreat sign flare marker canada rocks geology landscapes tourism sunlit glacier geological prairies peak signs vastness meteorology melting receding thaw thawing moraine ab albertan canadian rockies glaciers natural disaster rocky mountains lens flare north america local landmark markers valley clear sky blue sky blue mountains wide open spaces outside canadian natural phenomenon nobody mountain range travel landscape peaks national parks national park mountain color image climate change global warming close up travel destinations environmental issues rock non urban scene canadian rocky mountains meteorological prairie provinces the prairies canadian prairies natural landmarks columbia icefield colour image no one natural disasters alta no people shrinking retreating natural phenomena local landmarks athabasca glacier 1982 glacial till receding glaciers closeup canadian rocky mountain parks climate crisis