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Programs that allow facilities to buy and sell emission allowances have been popular and effective since they were introduced in the U.S. two decades ago. But critics worry the approach can create heavily polluted "hot spots" in low-income and minority communities.

As Bangkok dries out from epic floods that the IPCC says will only get worse as climate change accelerates, its leaders are contemplating moving the entire capital city to higher ground. But I know what you're thinking: How does this affect me? Answer: It'll hit you right in the hard drive. Now that supply chains stretch across the globe and electronics can contain components from dozens if not hundreds of countries, it means you won't be able to get an iMac with a 2TB drive, because Apple sources "many components from Thailand," says Apple CEO Tim Cook. Floods have knocked out factories critical to Apple's supply chain, and " "the recovery timeline is not known at this point," reports Ars Technica.

Microactuators are critical components for industrial applications such as MEMS, micro-medical devices, and microrobotics. However, the fabrication of increasingly sophisticated, millimeter sized microactuators is complicated and proving to be a challenge.

Chinese hackers temporarily brought down the world's fastest-growing social action platform after more than 90,000 people in 175 countries endorsed an online call for the release of internationally acclaimed Chinese artist Ai Weiwei. Weiwei, best known for his role in the construction of the Beijing Olympic stadium and his recent Sunflower Seeds exhibition at the Tate Modern, has become an increasingly outspoken critic of the Chinese government in recent years, in particular over the handling of the 2008 earthquake in the country's Sichuan province.

An estimated 200,000 people took to the streets around Germany Saturday to protest against nuclear power, upping the pressure on Chancellor Angela Merkel on the eve of a critical state election.

Having power over others and having choices in your own life share a critical foundation: control, according to a new study published in Psychological Science, a journal of the Association for Psychological Science. The paper finds that people are willing to trade one source of control for the other. For example, if people lack power, they clamor for choice, and if they have an abundance of choice they don't strive as much for power.

Flat out wrong. That's what a team of Duke researchers has discovered, much to its surprise, about a long-accepted explanation of how nuclei collide to produce charged particles for electricity - a process receiving intense interest lately from scientists, entrepreneurs and policy makers in the wake of Japan's nuclear crisis.