Soil to FoilAluminium is the most abundant metal in the earth's crust. It is also ubiquitous in the modern world, from aircraft to soda cans. A dizzying number of consumer and industrial products employ aluminium, typically alloyed, because of its availability, versatility, and malleability. Today, how efficiently we useand reusealuminium is vital to addressing key environmental challenges and understanding humanity's fraught relationship with the earth. Soil to