HOW DO AIR CONDITIONERS MAKE CITIES HOTTER?

it funnels heat outside, exacerbating the so-called “urban heat island” effect

Explanation:

Air-conditioning units funnel heat outside, exacerbating the so-called “urban heat island” effect, which makes cities warmer than the countryside. ... The inefficiency of air-conditioning systems or badly designed homes and offices simply aren't as eye-catching as electric cars and making people feel ashamed about flying. Jun 30, 2019

answer; (d) braking faster then cars;