Despite increasing scientific evidence supporting the need for immediate and transformative action, effective responses to address climate change remain stymied. Scholars have identified climate change denial as a factor in thwarting policy responses to climate change. We examine new forms of climate change denial that are critical to recognize as the general public and policy-makers consider actions to limit warming. Here we apply a Marxist conception of ideology to broaden our understanding of climate denialism (Marx & Engels, 1977). We introduce the concept of “ideological denialism,” which conceals underlying contradictions and perpetuates the current social order. The ideological denial of climate change involves recognizing climate change as a problem, yet fails to diagnose the root causes and prescribes solutions that maintain the current system. We argue that ideological denialism typically stems from a failure to recognize a growth-dependent economic system as a root driver of climate change. We examine degrowth as a possible means to reorganize social relations with potential to more effectively reduce greenhouse gas emissions and limit global warming