In the past, coal was the backbone of industrial development, but its role is now being questioned due to environmental concerns.
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Ɪn ðə pæst koʊl wəz ðə ˈbækˌboʊn əv ɪnˈdʌs.tri.əl dɪˈvɛl.əp.mənt bʌt ɪts ˌroʊl ɪz naʊ ˈbiːɪŋ ˈkwes.tʃənd djuː tu ɪnˌvaɪ.rənˈmɛn.tl̩ kənˈsɜːrnz. In dâ pést kôul uâz dâ békbôun âv indâstriâl divélâpmânt bât its rôul iz náu bíing kuêstchând diú tu inváirânméntl̩ kânsârrnz.
No passado, o carvão era a espinha dorsal do desenvolvimento industrial, mas seu papel agora está sendo questionado devido a questões ambientais.
Ɪn ðə pæst koʊl wəz ðə ˈbækˌboʊn əv ɪnˈdʌs.tri.əl dɪˈvɛl.əp.mənt bʌt ɪts ˌroʊl ɪz naʊ ˈbiːɪŋ ˈkwes.tʃənd djuː tu ɪnˌvaɪ.rənˈmɛn.tl̩ kənˈsɜːrnz. In dâ pést kôul uâz dâ békbôun âv indâstriâl divélâpmânt bât its rôul iz náu bíing kuêstchând diú tu inváirânméntl̩ kânsârrnz.