Nope, nothing much different now from what's been haunting us for the past 30 years. There's always plenty of bad news to go around. Most of what you cited has been a real threat to us since before I was born, we just are more informed about it these days.
Look for the good in life. We all gotta die sometime Red. (Tom Berenger in Platoon). Be prepared, but try and stay optimistic about things. Life will go much better if you do. Besides, beyond simple preparedness, there's not much you can do about the big ones anyways. If all that "duck and cover" crap didn't condition us for constant anxiety, the media is sure trying to perpetuate it.
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The ultimate result of shielding men from the effects of folly is to fill the world with fools.
-- Herbert Spencer, English Philosopher (1820-1903)