While Chinese officials make full frontal regulatory attacks on smog, untreated sludge, an often toxic byproduct from sewage treatment, continues to quietly spread into groundwater and contaminate soil and food.

Natural resources rarely feature during peacebuilding efforts, but there is growing evidence that’s a mistake. Unresolved natural resource management issues can make peace more fragile, while addressing them can act as a bridge toward cooperation.

“Alphonse, however, had not come to talk. Without saying a word, he raised a machete and brought it down onto his uncle’s skull.”

Expectations for the upcoming UN climate change summit in Paris are higher than they’ve been in years. Experts expect it will be the best chance to achieve a binding, universal agreement to limit carbon emissions. But the conference is still not getting the attention it deserves from policymakers and the public, given the stakes – and not just for the environment but for the international system writ large, said Nick Mabey, founding director and chief executive of the UK-based environmental NGO E3G at the Wilson Center on February 12.

It shouldn’t come as a surprise that Yemen has collapsed – again. A country that has split and been pulled together before, has the youngest and fastest growing population in the region, is running low on oil and water, and possesses a “personalist” government rather than stable institutions, was on the top of every expert’s list as the fragile state most likely to fail next.

In a headline–making article in the journal PNAS, Colin P. Kelley et al. write there is evidence that the ongoing conflict in Syria, which has killed at least 200,000, was triggered by climate change. Severe drought from 2007 to 2010 caused a massive rural-to-urban demographic shift which exacerbated pre-existing sociopolitical tensions in Syrian cities already inundated with Iraqi refugees.