I'm not nearly as smart or involved as many people in this community, but quickly after discovering EA (about 4 years ago) I got the impression that climate change and threats to biodiversity were underestimated, and was surprised at how little research and discussion there seems to be.
One point I would like to raise is that this community seems to assume that everyone starts (or should start) from the assumption that human life and our species's continued existence is valued above all else. It's very anthropocentric, which is another thing that may aliena
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I think if EA folks got involved in trying to change the climate change methodology it could go a long way towards minimizing the amount of wasted effort that other people are putting into the climate problem.