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 de pèst koul ues de bèkboun ev indastriel divèlepment bat its roul is nau biing kuesciend diu tu invairenmèntl̩ kenserrns.
In passato, il carbone era la spina dorsale dello sviluppo industriale, ma ora il suo ruolo è messo in discussione a causa di problemi ambientali.
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 de pèst koul ues de bèkboun ev indastriel divèlepment bat its roul is nau biing kuesciend diu tu invairenmèntl̩ kenserrns.