Environmentalism - defined here as activism aimed at protecting the environment or improving its condition - is undergoing significant change in the United States. Under attack from the current administration and direct questioning from its own ranks, environmentalism in the US is at a crossroads. This special issue will explore the changing patterns of and challenges to environmentalism in the contemporary US. More specifically, it will examine the following dynamics:

- the re-conceptualisation of core ideas and strategies defining US environmentalism;

- questions of...