A team of scientists, from the University of Bath's Department of Chemistry and Institute for Sustainability have found a way to create two of the world's most common painkillers, paracetamol and ibuprofen, out of a compound found in pine trees, one which is also a waste product from the paper industry.
Nice breakdown. Maybe update your stats a little, we’re at nearly 8e9 people on the planet. Doesn’t change your conclusion much.