What combination of factors makes modern Homo sapiens acutely dependent on a stable environment?

Answer

High caloric needs and a massive global population requiring continuous sunlight-driven agriculture

Humans are fundamentally dependent on a predictable, energy-rich environment sustained by sunlight driving agriculture. This necessity, combined with the sheer scale of the global population, means we cannot easily shift to a low-energy existence.

What combination of factors makes modern Homo sapiens acutely dependent on a stable environment?

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