The challenges of wastewater treatment are undeniable, but the solutions are within reach. It’s time to reimagine the ...

The process can convert sewer sludge, wood, agricultural waste, plain old trash, and even plastic into a gas, and then turning the gas into high-quality diesel. While other gasification processes ...

The technique separates out the orange metallic sludge, leaving clean water only to flow into the river A pilot scheme to clean rivers polluted by abandoned metal mines has delivered "staggering ...