You might think that the heated debate over niqabs, burkinis and other expressions of religious beliefs are a sign of the times. But you would be wrong. As early as the 1600s, major European thinkers disagreed over the meaning of free speech and religious tolerance.
The Arctic climate is entering a new state, say the scientists behind a new pan-Arctic report. But implementing the Paris Climate Agreement in full could stave off some of the biggest changes post 2050.