ɪn ðɛɹ əpˈɪniən ɐ ɡɹˈeɪɾɚɹ ˈɪmpækt ɔnðə ɹᵻdˈʌkʃən ʌv ɡlˈoʊbəl wˈɔːɹmɪŋ kˌʊdɐv bˌɪn əbtˈeɪnd fɚðə sˈeɪm mˈʌni θɹuː ɪnvˈɛstmənts ɪn ɹᵻnˈuːəbəl ˈɛnɚdʒiz ænd ɪfˈɪʃənt pˈaʊɚ pɹədˈʌkʃən ænd jˈuːs.
In their opinion a greater impact on the reduction of global warming could have been obtained for the same money through investments in renewable energies and efficient power production and use.