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Dit dans 4 extraits de 2 chaînes · B2–C1 · autres formes : brightening
And there is a risk that clouds might darken rather than brighten, reducing the cooling effect.
They've got a bit of caffeine in just to brighten up your day.
One idea scientists are exploring is called marine cloud brightening.
The particles would need constant replenishing and the scale would be enormous and there is a risk that clouds might darken rather than brighten, reducing the cooling effect.