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Climate mitigation plans too often overlook urban construction. Levels of historic greenhouse gas emissions resulting from construction in cities have now been estimated, and rates determined at which cities must reduce construction emissions to stay within climate limits.
Air connectivity is an important aspect of global business, but what makes a city ‘well connected’ is unclear. We found that, more important than the number of flights between cities, companies choose to locate their subsidiaries in locations that are well integrated within the global air traffic network.
