Snowball Earth defines periods of our planet's history when ice spanned the globe, even reaching the equator. The ...

Rapid Holocene deglaciation of the Labrador sector of ... Ice sheets and sea level of the last glacial maximum. Quaternary Science Reviews 21, 1-7 (2002). ———— Northern Hemisphere ice ...

Antarctica, a continent 98 per cent covered by a polar ice cap, conceals dormant volcanoes. According to scientists, ongoing ...