"In developed countries wastewater and sewage sludge are disposed by means that reduce or minimize exposure by humans to disease organisms. Most municipal solid waste goes to landfills which have liners to protect ground water. Humans are often exposed to pathogens, resulting in…
"Hundreds of million tonnes of agricultural and food waste are produced each year around the world, most of which is just that, waste. Anaerobic digestion, biogas and the heat and electricity that can be produced from it is still a nascent industry in many countries, yet the ben…
"Hundreds of million tonnes of agricultural and food waste are produced each year around the world, most of which is just that, waste. Anaerobic digestion, biogas and the heat and electricity that can be produced from it is still a nascent industry in many countries, yet the ben…