Earth’s clouds are sinking lower in the sky, with fewer clouds at high altitudes and lower cloudtops in general, says a new analysis of satellite data. The coming fog means that Earth will cool down more efficiently — so the lowering of clouds could slow the effects of global warming.
Beijing officials are denying accusations the Chinese military interfered with two U.S. Earth-monitoring satellites, the wires are reporting today. On Friday, a draft report to Congress said at least two satellites were tampered with four or more times in 2007 and 2008, and that the breaches were consistent with Chinese military strategy.
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.