Indroduction 1. Mega regions: Literature Review of the Implication for U.S. Infrastructure Investment and Transportation Planning-- 2. Urbanisation as a threat to Biodiversity: Trophic theory, Economic Geography, and Implications for conservation land Acquisition-- 3. Economic Geography of Food Distribution in the United States -- 4 Geography of the poor: Case study of a District in sarawak East Malaysia-- 5 Economic Inequality Predicts biodiversity loss-- 6 Linked migration systems: Immigration and internal labor flows in the United states-- 7 interrupting the Telos: Locating Subsistence in contemporary Us Forests-- 8 Cultural diversity ,Economic Development and societal instability-- 9 Investing in our self Interest: The Economics of Ocean Politics in Oregon-- 10 Mapping the Economic costs and benefits of conservation-- 11 Clusters in the Romanian Economy-- 12 The Rise and Fall of concern About Urban Sprawl in the united states: An Updated Analysis-- 13 U.S Canada wheat trade: The Intersection of Geography & Economics.