139
Turns out all we may need to stop climate change is 139 billion gallons of super-duper white paint
(www.businessinsider.com)
This is a most excellent place for technology news and articles.
Isn't water already reflecting the sun back anyway?
Liquid water reflects less light than land does.
Then we just need to put ice cubes in the ocean. Plus that would help us cool the earth down
It worked on Futurama.