It has been found that urbanization generally decreases albedo (commonly being 0.01–0.02 lower than adjacent croplands), which contributes to global warming.
ɪt hˈæzbiːn fˈaʊnd ðæt ˌɜːbɐnᵻzˈeɪʃən dʒˈɛnɚɹəli dˈiːkɹiːsᵻz ælbˈiːdoʊ kˈɑːmənli bˌiːɪŋ zˈiəɹoʊ.zˈiəɹoʊ wˈʌn zˈiəɹoʊ.zˈiəɹoʊ tˈuː lˈoʊɚ ðɐn ɐdʒˈeɪsənt kɹˈɑːpləndz, wˌɪtʃ kəntɹˈɪbjuːts tə ɡlˈoʊbəl wˈɔːɹmɪŋ.