2000: It's not happening.
2005: It's a natural process, a blip that will go away.
2010: It's a hoax by climate scientists wanting more grant money.
2015: It's the sun.
2020: Oops, too late, and it's all China's fault. Best keep drilling.
2005: It's a natural process, a blip that will go away.
2010: It's a hoax by climate scientists wanting more grant money.
2015: It's the sun.
2020: Oops, too late, and it's all China's fault. Best keep drilling.