Climate Change: Past, Present, and Future

Sure, temperatures change, but compare now to then.

earth_temperature_timeline (1)

The slight variations we’ve observed in the past occur on scales so slow and minute that they pale in comparison to current rates. This goes back two ticks on the next graph (Petit, et al., 1999). These changes may be small, but they are significant.

150kyrs_petit150

The climate is changing dangerously fast. We can begin to work towards fixing it, or we can set us down a very dangerous path. And we can change it; the mere fact that we are warming the earth so quickly shows just what we are capable of.

 

 

 

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