But this weekend, self-proclaimed hackers around the world will gather at "hackathon" events to tackle disaster-risk management and climate change.

The aim of the charter is to raise awareness about the need to put children at the heart of disaster risk reduction as they are among those who suffer most from catastrophic events.

"Does it make sense to teach lessons about natural hazards and disaster risk in a classroom that is a liable to collapse and kill students and teachers alike?" he said.