As the realities of global climate change become ever more alarming, advocates of technological approaches to "geoengineer" the planet's climate are gaining a following. But these technologies that are promoted are all fraught with clear and obvious risks that are most likely only going to make matters worse.
Sewage, biosolids, wastewater, effluent, human waste and night soil -- these are all euphemisms for poo. But instead of looking at it as something to be disposed of, why not use it to grow a crop that can heat our buildings, produce electricity or be used for compost? Camrose County in rural Alberta is doing just that.