Vienna's wacky Hundertwasser museum gets even greener

A woman stands outside Kunst Haus Wien, a museum dedicated to Austrian visual artist and architect Friedensreich Hundertwasser in Vienna. Photo: AFP

Friedensreich Hundertwasser would have no doubt approved. Austria has made its "first green museum" - entirely dedicated to the work of the maverick artist and ecological trailblazer - even greener.

The colourful Kunst Haus Wien in Vienna has ditched fossil fuels for an entirely renewable in-house hydrothermal energy system using a well in its courtyard.