Hound from hell heatwave sweeps across northern hemisphere

An extreme heatwave is sweeping across the northern hemisphere, renewing concerns over climate change. Spain, Italy, Greece, the United States, Israel, and China are among the countries affected by the heatwave, dubbed 'Cerberus' after the mythical dog guardian of the Underworld.

An orangutan with an ice cube at Madrid Zoo, Spain Source: AAP / Sergio Perez/EPA

Listen to Australian and world news, and follow trending topics with SBS News Podcasts.