The world is entering an era of "global water bankruptcy" with rivers, lakes and aquifers depleting faster than nature can replenish them, a United Nations research institute said.
US President Donald Trump descends on Davos for a showdown with European leaders on Wednesday as his bid to seize Greenland threatens to tear the transatlantic alliance apart.
In just 17 months as general secretary, To Lam has swept aside rivals and centralised authority in an aggressive reform drive officials describe as a "revolution".
The January 2025 release of a low-cost generative AI model from DeepSeek that performed at a similar level to ChatGPT and other top American chatbots upended assumptions of US dominance in the sensitive sector.
Humanitarian efforts to fight diseases such as HIV, malaria and tuberculosis in some of the world's poorest nations have been massively disrupted since Donald Trump froze US humanitarian aid immediately after being sworn in for a second term.