North Cascade mountain range’s
glaciers lost 33% of their area
(-87 km²) from 1970 to 2015
Mountain range
Individual glacier
Olympic
Lewis
Wash.
Crazy Range
South
Cascade
Mont.
Ore.
Bighorn
Idaho
California
Cascade
Wyo.
Gore
Range
Nev.
Calif.
Utah
Sierra
Nevada
Colo.
Front Range
Ariz.
N.M.
Decrease in glacier area
from the mid-20th century
–100%
–75%
–50%
–25%
North Cascade mountain range’s
glaciers lost 33% of their area
(-87 km²) from 1970 to 2015
Mountain range
Individual glacier
Olympic
Lewis
Wash.
Crazy Range
South
Cascade
Mont.
Ore.
Bighorn
Idaho
California
Cascade
Gore
Range
Wyo.
Calif.
Nev.
Utah
Sierra
Nevada
Colo.
Front Range
Ariz.
N.M.
Decrease in glacier area
from the mid-20th century
–100%
–75%
–50%
–25%
North Cascade mountain range’s
glaciers lost 33% of their area
(-87 km²) from 1970 to 2015
Mountain range
Individual glacier
Olympic
Lewis
Wash.
Crazy Range
South
Cascade
Mont.
Ore.
Bighorn
Idaho
California
Cascade
Gore
Range
Wyo.
Calif.
Nev.
Utah
Sierra
Nevada
Colo.
Front Range
Ariz.
N.M.
Decrease in glacier area
from the mid-20th century
–100%
–75%
–50%
–25%
North Cascade mountain range’s
glaciers lost 33% of their area
(-87 km²) from 1970 to 2015
Mountain range
Individual glacier
Olympic
Lewis
Wash.
Crazy Range
South
Cascade
Mont.
Absaroka-Beartooth
Ore.
Bighorn
Idaho
California
Cascade
Teton
Wyo.
Wind River
Gore Range
Nev.
Calif.
Utah
Sierra Nevada
Front Range
Colo.
Ariz.
N.M.
Decrease in glacier area
from the mid-20th century
–100%
–75%
–50%
–25%
Mountain range
North Cascade mountain range’s
glaciers lost 33% of their area
(-87 km²) from 1970 to 2015
Individual glacier
Olympic
Lewis
Wash.
Crazy Range
South
Cascade
Mont.
Absaroka-Beartooth
Ore.
Bighorn
Idaho
California
Cascade
Teton
Wyo.
Wind River
Gore Range
Nev.
Calif.
Utah
Sierra Nevada
Colo.
Front Range
Ariz.
N.M.
Decrease in glacier area
from the mid-20th century
–100%
–75%
–50%
–25%
North Cascade mountain range’s
glaciers lost 33% of their area
(-87 km²) from 1970 to 2015
Mountain range
Individual glacier
Olympic
Lewis
Wash.
Crazy Range
South
Cascade
Mont.
Absaroka-Beartooth
Ore.
Bighorn
Idaho
California
Cascade
Teton
Wyo.
Wind River
Gore Range
Nev.
Calif.
Utah
Sierra Nevada
Front Range
Colo.
Ariz.
N.M.
Decrease in glacier area
from the mid-20th century
–100%
–75%
–50%
–25%