Saving the oceans seems like an impossibly daunting task, one most people would have no idea how to even begin. So we asked 12 of the world's foremost ocean experts--scientists, policymakers, and a reality TV star/sea captain--how they'd do it. The answers were varied, from political to high-tech solutions, from big to small, but they were all very clear: this is something we all must do, and it's something we all can do.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.