this post was submitted on 17 Jul 2023
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The matter and energy on Earth never disappears, it's just converted from one type to another. So yes, if you look at it from a cosmic perspective, we do have unlimited resources.
At least, until the Sun dies, which gives us a few billion years.
The sun's heating will render the earth unlivable even without climate change billions of years before that.
I read that according to more recent estimates, the Sun's expansion and growing luminosity could render Earth uninhabitable for humans and life in general in as "little" as 100 million years from now, though it depends on various factors.