"then again, perhaps you believe the moon landing was faked too, discrediting NASA?"
Which raises the question of why you fall for crap like that NASA page? 
Which part of that page proves that man's CO2 is causing serious global warming?
Are you seriously claiming that:
Sea level rise proves that man’s CO2 is causing dangerous global warming?
Global temperature rise proves that man’s CO2 is causing dangerous global warming?
Warming oceans proves that man’s CO2 is causing dangerous global warming?
Shrinking ice sheets proves that man’s CO2 is causing dangerous global warming?
Declining Arctic sea ice proves that man’s CO2 is causing dangerous global warming?
Glacial retreat proves that man’s CO2 is causing dangerous global warming?
Extreme events proves that man’s CO2 is causing dangerous global warming?
Ocean acidification proves that man’s CO2 is causing dangerous global warming?
Decreased snow cover proves that man’s CO2 is causing dangerous global warming?