With the publication of the report of the fourth Intergovernmental Panel on Climate Change, it should now be clear to everyone that climate change is one of the most serious ethical issues facing humanity in the 21st century. Even President George W. Bush, after almost a decade of denial, has used t

In 1992 the then-chief executive of Monsanto, Robert Shapiro, told the Harvard Business Review that genetically modified crops will be necessary to feed a growing world population. He predicted that if population levels were to rise to 10 billion, humanity would face two options: either open up new