Human interactions with the environment can profoundly impact many outcomes – health being chief among them. While the nature of environmental risks changes across time and space, the burden of disease attributable to environmental risk hovers stubbornly around one quarter of the total global...

Traditional energy technologies and consumer products contribute to household well-being in diverse ways but also often harm household air quality. We review the problem of household air pollution at a global scale, focusing particularly on the harmful effects of traditional cooking and heating....