Doesn't seem like there is any foreseeable future where climate change can be addressed. It's not just the leadership of the u.s, but the citizens themselves reject climate change as a real issue. Hopefully I'm just being pessemsitic.
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"Climate change denialism is a natural state of mind"
We as apelike animals just did not optimize for thinking globally. We optimized for the local here and now and the immediate future.
"Fire burns, fire warm, fire good. More firewood we need!".
Also, there is no downside believing the earth is round.
But believing burning things causes global warming is a) way more abstract b) inconvenient, as it makes you question your luxory. For some it is apparently easier not believing it and maintain a (pseudo) clear consciousness.