Natural disasters can cause tragedies with dire consequences; people may die or have to flee depending on the type and magnitude of the disaster.

Natural disasters would include such things as earthquakes, hurricanes, tsunamis, floods and volcanoes.

Keynote speakers on natural disasters may choose to focus on the way various natural phenomena may lead to natural disasters around the world or perhaps delve into definitional discussions on specific natural disasters, etc.

Natural disasters is a potentially heated topic because there are sometimes quite differing opinions on what causes certain natural disasters and to what extent human actions play a key role. Keynote speakers on natural disasters can fuel the debate.