The world populations of fish, birds, mammals, amphibians and reptiles fell overall by 52 percent between 1970 and 2010, far faster than previously thought, the World Wildlife Fund said on Tuesday.  By 2045 global population is projected to reach nine billion and some predict thirteen billion by 2100. Can the planet take the strain? Are we being proactive? Darko Kapelina believes that we can leverage sustainable clean energy advancements and tip the scales back in our planet’s favor.