Shaping attitudes: Nicholas Serota (in front of a Cy Twombly painting). Photograph: Justin Tallis/PA Wire

For a man who has transformed the landscape of contemporary art Nicholas Serota is remarkably understated. Maybe that’s because the one thing he doesn(...)

Visitors walk through ice blocks harvested in Greenland and installed on the Place du Pantheon for the COP21 world climate change conference. Photograph: Reuters/Benoit Tessier

It was a tale of two theses on climate change around the Pantheon in Paris on Monday night. In front of the magnificent neoclassical building dedicate(...)

 Sunday Morning: In Berlin-Mitte, at Sammlung Boros, see a stunning private collection of art housed in a former Nazi bunker. Photograph: Andreas Meichsner for The New York Times

There are few cities that transform themselves as profoundly from season to season as Berlin. The purgatorial winter, with its lightless days and f(...)