Get a job <a href=" http://www.qeiicc.co.uk/why-is-doxycycline-cheaper-than-malarone.pdf ">buy doxycycline hyclate</a> Permafrost is melting faster in the Arctic, too, and that’s a cause for major concern. That’s because permafrost in the Arctic contains large amounts of methane. As the Arctic permafrost melts, that methane then escapes into the atmosphere. Methane is a potent greenhouse gas – it traps significantly more heat than carbon dioxide. So as more methane is released into the atmosphere, it causes temperatures to rise faster, which causes more permafrost to melt, which releases more methane, which… you get the idea.