Waste Management 

TL;DR: Although primary and secondary recycling schemes are well established and widely applied, it is concluded that many of the PSW tertiary and quaternary treatment schemes appear to be robust and worthy of additional investigation.

TL;DR: An overview of data published during the last five years on the immobilization of one metalloid, As, and four heavy metals, Cr, Cu, Pb and Zn, in soils, finds that Zn can be successfully immobilized in soil by phosphorus amendments and clays.

TL;DR: This review presents a comprehensive description of the current pathways for recycling of polymers, via both mechanical and chemical recycling, and discusses the main challenges and some potential remedies to these recycling strategies, thus providing an academic angle as well as an applied one.

TL;DR: In this article, a combination of methods was used in order to assess the stakeholders and the factors influencing the performance of waste management in the cities, in more than thirty urban areas in 22 developing countries in 4 continents.

TL;DR: The available information on various aspects of sewage sludge application on soil fertility and consequent effects on plant production are reviewed to explore the possibility of exploiting this byproduct for agronomy and horticulture.