Contrails: the jet streams wrapped around the planet are broad rivers of wind often thousands of kilometres long, shifting between north and south as seasons change. Illustration: Michael Viney

Between the slashing hail squalls borrowed from Canada’s winter, I kept an eye on the sky above the mountain, looking for contrails speeding far too f(...)

The CIA established the Center on Climate Change and National Security in 2009, a decision that drew fierce criticism from some Republicans who viewed it as a distraction from more pressing terrorist concerns. Photograph: Getty Images

A senior US scientist has expressed concern that the intelligence services are funding climate change research to learn if new technologies could be u(...)

Rutgers men’s basketball coach Mike Rice has been fired after video of his practice sessions were released. Photograph:  Bill Kostroun/Reuters

An American university has fired its men’s basketball coach a day after a video surfaced showing him berating his players during practices, thr(...)

Farmer Donald O'Reilly rescues a sheep trapped in a snow drift in the Aughafatten area of Co Antrim last week. Photograph:  Cathal McNaughton/Reuters

What a difference a year makes; a year ago Europe was basking in some of the warmest spring temperatures recorded. Last week all that seemed a very(...)