Book excerpt: With environmental concerns a top issue for consumers everywhere, the green market is the next big boom industry for entrepreneurs looking to make money—and make a difference. Discover 75 green startup ideas in multiple industries, including eco-tourism, small wind power, green schools, water conservation landscaping, green investment consulting and more. For each business, Croston shows you the market, product to be delivered, resources needed, major hurdles ahead, competitors and strategies for success.