We start with a look at the US Military and its approach towards sustainability , in particular its uptake of renewable energy sources . Drawing on comments from several personnel in energy and military circles , the feature explores how far the US forces have come and what is left to be done to hit its ambitious targets .

Craig Riley also knows a thing or two about sustainability , studying the subject well before it became the buzzword it is today . Now Leader of Corporate Advisory & Sustainability Services at AECOM , Riley is involved in some ground breaking corporate sustainability projects , especially in the airport space .

Our top 10 also highlights green credentials , this time looking at sports franchises .

Finally , be sure to read exclusive company insights from the likes of UPC Renewables , Civmec and Songas .

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