With consumption growing, oil supplies tight, and the world in a warming trend, the search is on
for better energy sources — clean coal, safe nuclear reactors, and more far - reaching
ideas like artificial
photosynthesis.
The
idea is that grasses account
for the vast majority of leaf area on the planet, and are responsible
for the evolution of C4
photosynthesis — any plants that didn't shift, went extinct as the competition
for CO2 exploded.