Clear sand adsorbs 15–35% total phosphorus (P) from septic tank effluent, but adsorbed P is mobilized when low-P effluent is then applied. Amorphous P compounds formed by alkali aluminate chemical addition may also be subject to leaching. Crystalline mineralization is the desired end effect...

Despite the fact that “heavy skies” (gravioris caeli) have been identified and legally classified as a serious concern since ancient times, air pollution still leads to millions of avoidable deaths and significantly impacts the climate. Today more than ever, the protection of people and a...

For the last 20 years, fostering greater transparency in the historically opaque extractive industries has been a governance priority in the sector. It is now time to build on the progress made and unlock greater gains from it. Achieving this requires getting serious about politics. The...

Environmental and human exploitation are connected and occurring around the world due in large part to the mining of rare earth metals. In places like Brazil, the Congo and Peru in modern-day slave labor fuels mining camps, while degrading the quality of local fishing and agricultural...

Developing countries that experience commodity booms struggle to mobilize sustainable tax revenues. Emerging literature on the subject notwithstanding, there is limited exploration of the specific types of institutions critical for improving fiscal capacity in resourcerich contexts. This paper...

In 2008, the Government of Zambia reformed its mining tax regime for large-scale copper mines through a unilateral legislative change. The country went from having one of the lowest average effective tax rates and government take to be above the average. We focus on a particularly controversial...

The topic dealt with in the paper is very timely and has assumed major importance from the viewpoint of development of research into economies based on sustainable development and application of research findings in specific solutions in the economy. The paper postulates that innovation is a...

Resumen: Este artículo tiene como objeto realizar una primera aproximación a la valoración económica delos costos ambientales del proyecto minero La Colosa en el municipio de Cajamarca – Tolima, mediante la aplicación de un estudio piloto (primera etapa) del Método de Valoración...