Seasoned demography geeks know to anticipate the release of the UN Population Division’s World Population Prospects in the spring of odd-numbered years. An off-cycle update published last month in Science, summarizing new results and methodological changes to the projections, therefore provoked a buzz of interest and a mini-flurry of media coverage.

China’s energy investments are on the move, touching nearly every region of the globe from coal and liquefied natural gas imports from Australia to a recent natural gas agreement with Russia and expanded oil drilling in the South China Sea. [Video Below]

Motivated in part by mounting public pressure to cut down on the smog created by more than 600 coal-fired power plants, China’s nuclear energy capacity is growing faster than any other country in the world.

China faces a dilemma. It is home to 20 percent of the world’s population but only seven percent of the world’s water resources and nine percent of the world’s arable land. At the same time, a rising middle class is demanding more food. Over the last 30 years, China’s meat demand has quadrupled.

Is it possible to prepare for the unexpected? Could anyone have foreseen, for instance, a nuclear meltdown triggered by an earthquake-induced tsunami? Or a brutal band of transnational militants quickly capturing Iraq’s largest dam while attempting to establish a new Islamic caliphate? Perhaps not exactly, but that shouldn’t stop us from anticipating unlikely events, says Chad Briggs, a risk assessment expert and strategy director of consulting firm GlobalInt.

Rapid growth and environmental change are creating new challenges for urban areas around the world. By 2050, as many as 7 out of 10 people on Earth will live in cities, with the vast majority of growth occurring in today’s developing countries. [Video Below]