Torrential monsoon rains hampered the hunt Sunday for anyone still buried alive under buildings flattened by a powerful earthquake on Indonesia's Sulawesi island, after the huge tremor killed at least 73 and left thousands homeless.

Australian firefighters said they expect to battle an out-of-control bushfire well into the night on Saturday, as the blaze threatens lives and homes in the west coast city of Perth.

"We're not animals but dogs live better than us," sighs Lidia Arribas, who lives without electricity in a vast slum near Madrid where temperatures hit historic lows this week.

A Paris court will begin hearing a complaint brought by NGOs backed by two million citizens on Thursday accusing the French state of failing to act to halt climate change.

Encroaching sands have left little evidence that the Omani village of Wadi al-Murr ever existed, but former inhabitants and curious visitors are coming to rediscover the hamlet engulfed by the desert.

A day after snowstorms caused chaos across much of Spain, forecasters warned there was more to come on Saturday as five regions were put under red alert.

Torrential rain in Morocco this week after a period of drought has caused at least one death in its economic capital Casablanca, as bad weather remains forecast for the coming days.

Authorities said one person was killed and four injured after the roof of a structure in the old city of Casablanca caved in on Thursday evening.

2020 has tied 2016 as the hottest year on record, the European Union's climate monitoring service said Friday, keeping Earth on a global warming fast track that could devastate large swathes of humanity.

Temperatures in the Chinese capital plunged to their lowest for more than five decades on Thursday, as Beijing was hit by gale-force winds and bitter conditions.

Populations of marine molluscs have collapsed in recent decades in parts of the eastern Mediterranean as warming waters have made conditions unsuitable for native species, new research showed Wednesday.