A yawning gap has opened up between what countries know about the risks of climate change and what they are doing to reduce them. In the riskier new era of climate change, the longer countries take to close that gap, the more painful and deadly the outcomes.

Over the past two decades, Germany’s global role has undergone a remarkable transformation. Following its peaceful reunification in 1990, Germany was on track to become an economic giant that had little in the way of foreign policy.

Many eastern European states who are part of the EU and were admitted only after being deemed compliant with the Copenhagen criteria have seen political parties in these countries become increasingly illiberal

The Western sanctions imposed on Iran to force it to abandon its nuclear programme have succeeded in bringing Tehran back to the negotiating table, but they are a tactic, not a strategy. Any long-term policy has to aim for a democratic Iran.

As Europe emerges from economic crisis, a larger challenge remains: finally turning the eurozone into an optimal currency area, with economies similar enough to sustain a single monetary policy. Getting there will be difficult and expensive, but the future of European integration hangs in the balance.

Turkey’s reorientation offers opportunities for better ties with India

Mr Cameron’s austerity measures may provide a mutually beneficial opportunity to both India and UK.