Huge reductions in meat-eating are essential to avoid dangerous climate change, according to the most comprehensive analysis yet of the food system’s impact on the environment. In western countries, beef consumption needs to fall by 90% and be replaced by five times more beans and pulses.
I think the article (and the study it's based on) are more concerned with what needs to be done, rather than how it should be done. I'm pretty sure most people involved with this research understand that leaving it purely up to individual choice is a lost cause, and that government intervention will be required. Relevant quote from one of the authors of the study: