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Any desert lifeforms obviously wouldn't exist, and that would, by extension, impact other ecosystems. Any plants or animals from other environments that relied on desert life would either live off something else, or not exist. Presumably, if there were no deserts, these creatures would never have evolved, and instead, Earth would have a slightly less varied collection of flora and fauna with more limited and localized relationships. Many human cultures would also be affected, having, in the absence of a desert, developed in forests, mountains, plains, coasts, or something. What this would mean for the form of their politics and culture is impossible to say; it would obviously also global politics and culture, as changes to the parts affect the whole. However, not knowing what those changes might be means not knowing what image the big picture would take on.

By the way, it is geographically impossible for Earth not to have deserts, due to the size and shape of the continents, the amount and distribution of water on Earth, the location of ocean currents and wind patterns, and the presence of geological features like mountains.

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14y ago

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