Environment
Why sitting under a parasol is barely cooler than being in the sun
A beach umbrella might protect you from sunburn, but when it comes to keeping you cool, it makes surprisingly little difference
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A beach umbrella might protect you from sunburn, but when it comes to keeping you cool, it makes surprisingly little difference
We’ve long tried to control the weather by engineering rainfall. Now such cloud-seeding efforts are escalating, creating conflict between countries and stoking conspiracy theories. But do they work?