What is the definition of Sustainable Fear?

"Sustainable fear" is a term that humorously describes a situation where someone is so terrified of facing the real, earth-shattering reality of climate change and environmental degradation that they've built an entire life around avoiding it. They're like a human climate change denier who's also an expert in not taking selfies with melting polar bears.

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Here's an edgy example sentence using this term: "After witnessing the devastating effects of climate change firsthand, our local sustainability guru developed a sustainable fear of plastic straws, convinced they could save the world by not drinking from them."