The past decade has brought ground-shaking changes to global energy markets. The unconventional fuel boom has unexpectedly reduced U.S. dependence on oil imports, while in the Asia-Pacific region, energy-constrained nations are increasingly reliant on foreign sources to meet their soaring demand. With the U.S. slated to export liquid natural gas (LNG) to Asia as early as 2017, a new energy era has come.

“Political demography is a discipline whose time has come,” said Rob Odell of the National Intelligence Council at a gathering of demographers and researchers in New Orleans. “You can sense this inherent dissatisfaction” with a lot of analytical and predictive tools in international relations, he said, and “political demography provides policymakers a way to think about long-term trends.”

In 2009, the U.S. Congress passed a five-year, $7.5 billion aid package for a country it had all but abandoned just 10 years earlier. Indeed, if one word can summarize the U.S. relationship with Pakistan, “volatile” might be it. Since the September 11 attacks, the U.S. has appropriated nearly $61 billion in aid to Pakistan – more than twice what it received since independence in 1947.

Despite some critics, the recent U.S.-China agreement over carbon emissions has sparked remarkable optimism in global climate negotiations. It’s also opened the door to new bilateral engagement between the U.S. and Chinese environmental communities on other issues, including China’s massive air pollution problems (16 of the world’s 20 most polluted cities are in China).

“We cannot ignore the new reality that climate change has become a major foreign policy issue in the 21^st century,” a new film by Hal and Marilyn Weiner concludes.

This fall, a series of significant events signaled what many see as a shift toward meaningful collective action on climate change.