This is because urban regions amount to less than 1% of total land area, according to the study.

CNN: New climate study deals blow to skeptics

According to a study of the Greater Washington area, for example, per capita transportation emissions in the city were less than the national average, reports Grist.

CNN: All About: Cities and energy consumption

According to a recent World Bank study, large euro-area banks accounted for 36% of global trade finance in 2011.

ECONOMIST: International trade

According to a study released this week by AlixPartners, Asia Pacific still remains the most attractive area for future growth among multinationals.

FORBES: Foreign Investment Into China Slows