Yes, we've seen all this happen throughout the history of the earth, many many many times over. It's nothing new. I'm not worried about climate change.
Ditto-
Every ten years we get some morons screaming about something bad.
Global Cooling!
Year 2000 bug!
Dixoins!
Love Canal!
Global Warming!
Piss off you bunch of wankers, you don't have a clue. As long as yobs keep screaming about the sky falling the research grants keep coming in.