Pollution levels in many Chinese cities still top the World Health Organization's (WHO) limits, but they have fallen dramatically since the "airpocalypse" days of the past.
India has tightened rules governing the use of artificial intelligence on social media to combat a flood of disinformation, but also prompting warnings of censorship and an erosion of digital freedoms.
Cuba's already shattered economy is being assailed on various fronts as US President Donald Trump has vowed to bring the communist island to its knees.
Afghanistan's decision to overhaul its medicine market was meant to improve quality and boost domestic production, but industry specialists say the swift changes have led to a litany of problems.
As artificial intelligence evolves at a blistering pace, world leaders and thousands of other delegates will discuss how to handle the technology at the AI Impact Summit, which opens Monday in New Delhi.