Memuat klip…
3 klip
Diucapkan dalam 3 klip dari 2 saluran · B2–C1 · bentuk lain: darkened
Factories and homes darkened the skies and the smoke from coal blackened everything.
And there is a risk that clouds might darken rather than brighten, reducing the cooling effect.
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.