Table 5.

Summary of limitations faced by cities when forming or implementing policy that reduces urban plastic leakages.

Political	Economic	Social	Environmental
Lack of support from regional and national governments	Recycling costs of cheap materials	Public responsibility and passing the torch	Uncertainty of rainfall projections
Lack of support from the international and transnational level	Cost of changing infrastructure	Lack of practical backing on convictions and fines	Storm surges and inundation
Making policy beyond the aesthetics	Perceived cost of damages	Active engagement of society over knowledge
Power of lobbying	Funding for cleanup campaigns	Does society care
Lack of legal backing to policy targets
Working within regional and national plans
Size of the city