Hyderabad, Feb. 21 -- Early summers are attributed to the "urban heat island" effect, where buildings and roads trap heat, making the city much hotter than surrounding rural areas, according to an urban heat data jam organised in Hyderabad.

Oorvani Foundation's data portal, Open City, in collaboration with Uncharted Science, IIIT-Hyderabad, Climate Front Telangana, Telangana Gig and Platform Workers Union (TGPWU), and Hyderabad Tiger Conservation Society, conducted a data jam titled "Urban Heat in Hyderabad" on Saturday, February 21.

"With each passing year, Hyderabad is experiencing worsening summers, with heat waves starting as early as February and early March. Increasing concretisation is adding to the urban heat island effect, maki...