Here's an article that'll cheer you right up.
Oxford's Global Priorities Project has put together a list of catastrophes that could destroy more than 10 per cent of the human population - and several of them could well happen within the next five years.
It's been created in order to drive home the reality that many of these occurrences are more likely to happen than we realise, and to spur governments across the globe into taking steps to tackle them, or prepare for the consequences. These events are distinct from 'existential risks' which would be severe enough to wipe out all human life.
Let's take a look at just how we're all going to die shall we? (You can take a look at the full paper here)