Not enough is being done to protect workers' health as heatwaves fuelled by climate change increase the risks, labour experts say.

The UK government has reclassified nearly £500m of aid for war-torn and impoverished countries as “climate finance”, in a bid to meet its international commitments under the Paris Agreement.

Kuala Selat village lies on the coast of Indragiri Hilir district on the Indonesian island of Sumatra. In the first half of the year, residents of the village arrange buckets and drums to collect rainwater to meet their daily needs. They will then stockpile water to last through the dry months from June to September, but a longer dry spell has led to an acute shortage of water.

Scientists say a double whammy of climate change and El Niño lies behind a record-breaking year of extreme weather - and predict there's more to come.