THIS PAPER AIMS AT INVESTIGATING THE INFLUENCES OF INFRASTRUCTURE SUPPLY ON ENVIRONMENTAL PROBLEMS IN BANGKOK. THROUGH THE COMPARISON WITH TOKYO, IT IS FOUND THAT AT THE SAME STAGE OF ECONOMIC DEVELOPMENT, THE INFRASTRUCTURE SUPPLY LEVEL IN BANGKOK IS MUCH LOWER THAN THAT IN TOKYO. MEANWHILE THE LACK OF LAND USE CONTROL CONTRIBUTES TO MAKE INFRASTRUCTURE SUPPLY MORE DIFFICULT. IN ORDER TO IMPROVE THE ENVIRONMENTAL IN BANGKOK, INCREASE OF INFRASTRUCTURE BUDGET BY IMPROVING FINANCIAL AND LAND USE CONTROL ARE QUITE NECESSARY.
