Geology 390 Living on the Edge: Global Climate Change and Earth History Overview

Is there reliable evidence of climate change? If so give an example of a very solid piece of evidence to support that the climate is changing. If not give an example of a very solid piece of evidence to support that the climate is not changing.

Is there reliable evidence of anthropogenic global warming? If so give an example of a very solid piece of evidence to support that humans a driving global warming. If not give an example of a very solid piece of evidence to support that the our present warming is a natural variation.

True or False About half of all of climate scientists agree that humans are presently influencing earths climate and the other half disagree.

EOS AGU

NASA:

pH less than 7 acidic pH= 7 neutral pH above 7 alkaline

Katrina: August

Fig. 18-6, p. 496

Fig. 18-7, p. 497

Fig. 18-8, p. 497

Fig. 18-9, p. 499

Fig. 1, p. 500

Fig. 2, p. 500

Dome C Ice core. Temperature estimate from variation in the hydrogen isotope Deuterium (Hydrogen with 1 proton and 1 neutron in nucleus)

Faint Young Sun Paradox