Paragraph 2
Atmosphere
Professor Dann Mitchell expressed his
on rising temperatures. He told the BBC: "Year-on-year temperature records are being broken around the
, but the Arctic is warming
than anywhere else on Earth, so it is
to see records being broken in this region. We will see more of this in the near future." Professor Chris Rapley of University College London said: "This is a
message from the Earth itself. We ignore it at our
." Scientists say higher temperatures in Siberia could accelerate global warming. Melting Siberian
is releasing alarming
of the greenhouse gasses carbon dioxide and
into the atmosphere.