The “neurological burden of climate change is becoming increasingly difficult to avoid,” writes Clayton Page Aldern, a former neuroscientist turned environmental journalist. Global warming is not only destroying the planet, it is also causing “the spread of brain disease,” contends Aldern, author of the 2024 book The Weight of Nature: How a Changing Climate Changes Our Brains. “As rising temperatures and shifting weather patterns reshape ecosystems, they’re not just altering landscapes — they’re creating new opportunities for neurological ailments to flourish and spread,” he argues. One way that climate change causes brain disease is through the “expansion of zoonotic diseases,”...