How Many Trees are There on Earth?

Have you ever wondered how many trees there are on the planet? This Nature video estimates that there are about 3.04 trillion trees at the moment on Earth. That is 422 trees per human being. But they are disappearing at the rate of 1.4 trees per person every single year.

We are loosing ten billion trees a year, what if we could pay people with ECO Coins to let the trees stand?