The cartoon shows a scientist at a lectern talking on six different years: 1990 "So, this climate change thing could be a problem ..." 1995 "Climate change: Definitely a problem" 2001 "Yep, we should really be getting on with sorting this out pretty soon ..." 2007 "Look, sorry to sound like a broken record here ..." 2013 "We really have checked, and we're not making this up" 2019 "is this thing on?" Scientist tapping the microphone The six years depicted were all years in which IPCC reports were published
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