Global warming would be a welcomed disaster compared to what is facing us out in space:
NewsBinary 'deathstar' has Earth in its sights
Tuesday, 4 March 2008by John Pickrell
SYDNEY: A spectacular, rotating binary star system is a ticking time bomb, ready to throw out a searing beam of high-energy gamma rays – and Earth may be right in the line of fire. [...]
Death by cosmic ray... and there ain't enough lead on the planet to shield you from it.