Broken light bulbs can be harmful. Do not vacuum; pick up broken shards with a damp cloth. Wrap carefully and dispose of cloth and bulb fragments.
This Stuff article says "12 per cent of New Zealand's energy consumption was in lighting ..." A good reason to consider lower-energy lighting options! The electricity used over the lifetime of a single incandescent bulb costs 5 to 10 times the original purchase price of the bulb itself.
Check out the EECA Energywise hints.
Reduce light bulb purchases by:
EFLs (LED, CFL and halogen light bulbs) and fluorescent tubes are collected at the Whanganui Resource Recovery Centre for recycling. Please ask a staff member on the forecourt where to place your light bulbs and tubes.
Broken light bulbs should be wrapped carefully if going in waste to landfill.