The issue of the best strategy to alleviate urban heat effect has long been debated. Given that the fundamental principle of tackling a problem is to decrease root causes, I believe the importance of eliminating the discharge of carbon dioxide cannot be overstated. In this regard, green tax, which can largely curb carbon emissions, guides society, enabling people to enjoy a better living condition. Therefore, individuals behave diversely and effectively in order to cut down costs. For instance, while private car owners switch to take buses rather than drive their gas-powered cars, factories are financially motivated to invest in eco-friendly energy innovation, like biofuels, due to the heavy taxes. Although Jenna mentions the value of cooling effects that waters bring about, she overlooks the fact that addressing the root cause of the predicament is obviously the sustainable solution, which has the potential to create a virtuous cycle.