Upside-down "rivers" of warm ocean water may be one of the causes of Antarctica's ice shelves breaking up, leading to a rise in sea levels. But a new study suggests an increase in sea ice in a colder climate may lead to a much more devastating change in the Earth's climate — another ice age.
This October was the coldest on record for Missoula, Butte, Dillon and Bozeman. The average temp was 38. 2 degrees in 2019. The previous record was 39. 7 degrees in 2009. Coldest Oct. on record for Missoula, Butte, Dillon, Bozeman. Photo: NBC Montana.