New Zealander Graeme Wheeler has announced his resignation as managing director of the World Bank.

Authorities have urged people to avoid dirtying the Ganges - India's most sacred river, yet one of its most heavily polluted.

New Zealand is one of the best countries in the world in which to conduct business, according to the World Bank.

The way Securities Commission chief executive Jane Diplock sees it, New Zealand's investor protection was way behind the rest of the world when she arrived. Since then, she says, there has been significant progress, but we are not there yet