Mongabay: Illegal loggers beware: trees will soon be calling-literally-for backup. The Brazilian government has begun fixing trees with a wireless device, known as Invisible Tracck, which will allow trees to contact authorities after being felled and moved.
Here's how it works: Brazilian authorities fix the Invisible Tracck-smaller than a deck of cards-onto a tree. An illegal logger cuts down the tree and puts it onto a truck for removal, unaware that they are carrying a tracking device. Once Invisible...