Otago's economy would be "disembowelled" if the Green Party follows through on a pledge to revoke any fast-track consents for a pair of gold mines, Resources Minister Shane Jones says.

The rainbow crossings at the end of a central Dunedin streetscape will arrive next year, the city council says.

A third of Dunedin kindergartens will be closed today as testing continues on sand in classrooms which may contain asbestos.