From April, Hull City Council plans to raise council tax by 1.95% - just below the 2% threshold at which a local referendum must be held.

BBC: Hull council plans tax rise after three-year freeze

On Tuesday the Conservative-led authority revealed plans to raise council tax by 1.99% - just below the 2% threshold at which a local referendum must be held.

BBC: New Surrey school plan considered by council

While Denmark is one of the few countries committed to a 100% renewable energy goal for electricity, heat, and transportation, some local governments have already reached the 100% renewable threshold.

FORBES: All Renewables, All The Time

Researchers continue to argue about exactly where that threshold lies, not least because retail banking is such a local business.

ECONOMIST: Retail banks