Obviously Reason is a libertarian publication, but the article argues that plastic bags are not bad for the environment, considering the alternatives.<p>The overall opposition by libertarian&#x2F;conservative groups is that conservation policies require centralized control and action. You can both accept the possibility of global catastrophe based on environmental damages, but you also fear the centralized control that is required to even try and manage the potential crises. Also, many are skeptical of the political process as an effective means to solve big problems.