According to IB profs Stephen Long, Amy Marshall-Colon, and Donald Ort, using high-performance computing and genetic engineering to boost the photosynthetic efficiency of plants offers the best hope of increasing crop yields enough to feed a planet expected to have 9.5 billion people on it by 2050.

Read more at: http://phys.org/news/2015-03-photosynthesis-hack-world.html#jCp