Melting of ice in permafrost ground leads to processes of change in the Arctic landscape – thermokarst. This may cause faster thawing of the permafrost according to a new study.
The largest of all mass extinctions on Earth happened at the end of the Permian Period, 252 million years ago. Volcanism and The Siberian Traps may have been part of the cause.
There are 30% more sediments on the seabed than previously expected, reveal an update of the map GlobSed. This equates to up to two km of extra land mass over today’s land area.