Accelerating global temperatures, marine heatwave threats to warm-water corals, frequent wildfires among planetary challenges

Sydney's CBD temperatures pass 37°C as Wellington issues extreme weather warning for NZ's central, southern parts

Searing heatwaves as southern European nation faces one of its worst summers for fires in two decades

Strong winds, scorching heat fuel flames believed to have been started by arsonists

Thousands of residents, tourists evacuated as nations like Spain, Greece, Portugal, Albania at 'extreme, very high risk of fire'