By Petmal / Getty Images If we know the exact amount of carbon that the trees in a forest can contain, we can potentially optimize measures to fight global warming. This is the ambitious solution proposed by Danish scientists who have just developed a tool to map over 350 million trees in Rwanda. If we know the exact amount of carbon that the trees in a forest can contain, we can potentially optimize measures to fight global warming. This is the ambitious solution proposed by Danish scientists who have just developed a tool to map over 350 million trees in Rwanda. It’s well known that forest e…