Places with cold climates need access to a reliable and efficient heat supply for the health of their population. But in developing countries, the majority of rural and peri-urban households do…

Yabei zhang |

Photo © : Guangqing Liu While most people link air pollution only to burning fossil fuels, other activities such as agriculture and biomass burning also contribute to it. The complexity of air…

Garo Batmanian |

Photo from Aktionsbündnis gegen Aids through a Creative Commons license It was Christmas dinner two years ago, in 2010, among my gay friends. I just came back from an expat assignment in the US,…

Chris Lagman |