Reflecting the desire for cleaner air, many developing countries have enacted clean air laws similar to those of developed nations, although to date most of these laws have been poorly enforced. A key starting point to better enforcement is obtaining comprehensive and reliable air-quality...

One of the key challenges to ensuring adequate supplies of fresh water and sanitary wastewater systems is to build the capacity of various stakeholders to manage and deliver water and sanitation services. One element of such capacity building is technological and includes the wide deployment of...