Are ethical arguments for climate action weaker than self-interest-based arguments?

Guest blogger Donald A. Brown is Associate Professor for Environmental Ethics, Science, and Law at Penn State University.  This cross-post is from his ClimateEthics blog.

I. Introduction

Many commentators to ClimateEthics argue that since people are self-interested beings, it is more important to make arguments in support of climate change based upon self-interest rather than ethical arguments. Some go so far to assert that people don't care about ethics and therefore only...