The ombudsman said his office was not set up to be a proxy for unresolved legacy issues but that it had been cast in that role.

BBC: Justice Committee

Though many issues remain unresolved, and the emotions from decades of conflict are still raw for many, power-sharing has so far proved flame-proof against all challenges.

ECONOMIST: Northern Ireland

At the moment, this route through the Canadian archipelago is navigable at best for a brief summer spell. (Sovereignty over the passage is one of the Arctic's many unresolved issues: Canada claims it, but the United States says the waters are international.) In theory, a complete opening of the Northwest Passage can shave 2, 500 miles off a journey from Europe to Asia.

ECONOMIST: The Arctic

The challenges concerning access, quality and equity in education are not new, but remain unresolved issues for most countries.

UNESCO: Quality in educational policy: Research and foresight