During the ”snowball Earth” period about 700m years ago, Earth’s climate shut down. The planet was encased in ice and insulated from seasonal variations: spring, summer, autumn and winter all stopped. Or at least that was the theory. Recent examination of some ancient rocks from the west coast of Scotland have now overturned that thinking, suggesting there were periods during snowball Earth when the climate woke up. Close-up views of thin, repeating rock layers known as varves, each thought to represent a single year of sedimentation during the snowball Earth period. Photograph: Prof Thomas Gernon/University of Southampton Thomas Gernon and
One in four councils to miss food waste collection deadline
...
Read moreDetails
