In June I posted a piece about global warming. The focus was on the role that methane could play in accelerating the warming process. On 23 August 2017 the New York Times published an article about the disappearance of permafrost in Alaska. The article, by Henry Fountain, begins with this:
The Arctic is warming about twice as fast as other parts of the planet, and even here in sub-Arctic Alaska the rate of warming is high. Sea ice and wildlife habitat are disappearing; higher sea levels threaten coastal native villages.