Source google image: http://encyclopedie-energie.org/sites/default/files/images/articles/art129_figure11_equilibre-energetique-surface-terre-cas2.jpg
Energie solaire w/m2
Source google image: http://encyclopedie-energie.org/sites/default/files/images/articles/art129_figure11_equilibre-energetique-surface-terre-cas2.jpg