In Why Corporation 2020? Pavan Sukhdev examines the many critical planetary boundaries that we are approaching, from greenhouse gas emissions to the nitrogen cycle, freshwater and land use, and food security, and argues that sweeping changes are needed to reform the way we deal with the earth's resources. Sukhdev makes an arresting case for including the private sector in these changes, arguing that a new corporate model is needed in the next decade to avert irreparable ecological harm.