Half a century on, world worse off in many ways, says cube inventor Rubik

Wall pattern made by Hungary's iconic Rubik's cubes in Erno Rubik's home, inventor of Rubik's cube, in Budapest, Hungary. Photo: Reuters

In nearly half a century since the inception of his iconic Rubik's Cube, the world has changed for the worse in many ways, plagued by climate change, overpopulation and wastefulness, its Hungarian inventor said.

The multicoloured 3x3x3 puzzle, which has become one of Hungary's most prominent innovations, is still popular among young and old, with hundreds of millions sold worldwide.