The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.

P. This results in higher income, consumption and associated levels of emissions.

Q. The World Bank estimates that 80% of global GDP is produced in urban areas.

R. It is certain that a considerable share of the global carbon budget will be used up for building new infrastructure, particularly in fast-growing cities.

S. Further emissions take place when cities expand and land use changes – turning vegetation into city grounds.