The Arctic is heating up faster than anywhere else and the results are plain to see: the ice is melting. Photograph: Cory Glencross/iStock/Getty

It was the target that should not have been reached, the target that must not be reached, yet it has been reached. The relentless advance of climate(...)

An ancient Irish oak sample from a bog in Ulster shows narrowing of tree rings indicating very dry conditions leading to the “failure of bread”, as described in the Annals of Ulster.

Drought repeatedly triggered periods of violence, famine and conflict during the Dark Ages, with researchers able to pinpoint when periods of severe d(...)