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The world has come to a crossroads. By the end of this century the total population is expected to exceed ten billion, but the area of land to support this is finite. Indeed, with climate change, some of the most valuable land areas will be lost, much of it as a result of rising sea levels. To sustain life on earth, new ways have to be found to grow food, generate energy, and conserve the environment on which our future depends. Fortunately, when faced with a challenge of such consequence, people prove to be remarkably inventive. In this case, solutions are by no means beyond reach. We can start, quite simply, by looking out to sea. There, stretching to the horizon, lies the future. Remarkably, the oceans cover two and a half times the extent of terra firma. Yet we have always taken far less interest in the sea than the land. But what if we change our thinking? Instead of continuing to see the land as our future, suppose we put our trust in the sea. For solutions to some of the earth's most pressing problems, the oceans may be our salvation, the source of untapped economic wealth. Within these waters can be found the elements of what is now widely known as the Blue Economy, the new frontier for human development. It is a twenty-first century concept to meet a twenty-first century challenge. This book explores all aspects of the Blue Economy. Where does the idea come from? What does it include? How can it transform traditional economies? Can it be sustainable? And what needs to be done to ensure its universal adoption?
