Réponse :
1. I think the solarbox is a good idea for social issues, like polution. With that, we can have a green energy, made by sun. But , i think that can be a hue/big problem when it's rains.
2.I don't it would be useful for me , because we live in good condition. Solar box won't be effective for us , we use a lot of energy in one day. If we realy want to use solar energy , we can use solar panel in this case, it wil be more productive.
J'espère que cela suffira , bonne soirée!!!