A step-by-step guide to startup for the.environmentally minded entrepreneur ..Green scientist and entrepreneur Glenn Croston takes.eager entrepreneurs into the booming world of green.business and shows them how to successfully go green.starting at the ground level. From business plans to.profits, Croston covers eco-specific business essentials.including how to pursue green grants, secure specialized.loans, take advantage of tax incentives, meet.certification requirements, and more. .