Putting up all those new shops, condos and schools might seem like a positive step for a community, but it has a dark, anti-green underbelly. It’s estimated the industry contributes about 4 percent of all particle pollution to the atmosphere and has a tendency to dump solvents and chemicals in local waterways. Add to that the fact that very few materials from demolitions are recycled and the use of sustainable lumber is still not standard, and the building trade ranks as one of the worst.
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.