Authoritarian regimes have a history of keeping information about escalating disasters secret, even when it could harm their own citizens.

With more weather-related disasters caused by climate change predicted, the issue of whether governments are willing to act faster to share information with neighbouring nations is an increasing concern.

The signs are not positive. After the recent massive floods on the Nepal-Tibet border, Chinese state media tightly controlled reporting with a focus on rescue attempts, rather than devastation. It also heavily censored unofficial accounts.

Handheld and security camera footage that showed the destruction at the border appears to have vanished from Chinese media platforms.

On this occasion and in the past, Nepal has accused China of not sharing information quickly about escalating dangers. But Beijing denied there was any disinformation, and said information was released in a “timely” way in this recent incident.

A new report says the Himalayas are approaching a tipping point in terms of the speed and risks of glacier melting and lack of monitoring – with millions of lives and livelihoods at risk. So this issue could not be more urgent.

The recent behaviour of another world power, Russia, cast doubt on its........

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