I was struck the other day by the fact that none of the people on my calling list had a background in geology. All were either biologists or chemists. Most certainly there are still battalions of geologists working away in the oil and gas patches of the world. However, the experts in demand today are not the folks who can tell you where to find crude. The phones are ringing instead on the desk of experts who have an understanding of the nuts and bolts of breaking down and building up biomass to monomer like benzene or ethylene; or who have some insight into how to use an inorganic catalyst like sunlight to split up organic compounds into hydrogen and carbon in an artificial leaf.