Methane emissions have negatively impacted crop yields by increasing temperatures and surface ozone concentrations.
mˈɛθeɪn ɪmˈɪʃənz hæv nˈɛɡətˌɪvli ˈɪmpæktᵻd kɹˈɑːp jˈiːldz baɪ ɪŋkɹˈiːsɪŋ tˈɛmpɹɪtʃɚz ænd sˈɜːfɪs ˈoʊzoʊn kˌɑːnsəntɹˈeɪʃənz.