Have you ever wondered if there is – if not the sky – any limit to how much higher we can build skycrapers? 828 metres is the current record height, set by the Burj Khalifa in Dubai. Later this year, China plans to go 10 metres higher, in 2018, Saudi Arabia intends to break the 1 kilometer mark. So how much taller can we go? This articles weighs the limiting factors – and surprises with its findings.

From Weekly Filet #82, in August 2012.