A layer of smog hangs over Ulaanbaatar, the capital of Mongolia.
Mongolia's children choke in toxic pollution
The toxic smog that settles over the Mongolian capital every winter has been a suffocating problem for more than a decade.
A worker adjusts an anti-smog dust suppression sprayer installed at a construction site in Lahore on Feb. 17. Tens of millions of Pakistanis spent at least four months breathing toxic air pollution 20 times above safe levels, in the worst winter smog season for several years.
'Really suffocating': Pakistan emerges from record smog season
Pakistan regularly ranks among the world's most polluted countries, with Lahore often the most polluted megacity between November and February.
Some 230 million people globally thought to be affected by long COVID. The effects range from mild to disabling, and there are no proven diagnostic tests or treatments.
'Going mad': Lack of data plagues Asia's long COVID patients
Some 230 million people are thought to be affected by long COVID — defined as symptoms persisting for three months or more after the initial infection.
Volunteer Nhoun Niyok shows villagers how to use a mosquito net to prevent malaria in Cambodia's northeastern Mondulkiri province on Jan. 16.
Cambodia nears Khmer Rouge survivor's dream of eradicating malaria
The hope is for zero cases this year — a remarkable turnaround for a country that was formerly an epicenter of multi-drug resistant strains.
Thailand's Royal Rainmaking department takes part in an atmospheric modification mission to displace pollution by spraying icy water in the air over the outskirts of Bangkok.
Ice in the sky: Thailand's fight against air pollution
The new technique of spraying dry ice or cold water into the air was first used last year and is still in its testing stages.
Workers retrieves tsunami buoy Thai 23461 in the Andaman Sea on Nov. 28.
The tsunami detection buoys safeguarding lives in Thailand
They form part of a warning system intended to ensure no disaster is as deadly as a huge December 2004 tsunami caused by an earthquake under the Indian Ocean.
A farmer burns straw stubble after harvesting a paddy field on the outskirts of Jind in India's Haryana state on Nov. 26.
The farm fires helping to fuel India's deadly air
Burning is a cheap way to clear fields for new crops, making it hard for farmers to shift to other methods despite the consequences.

Longform

Japan's growing ranks of centenarians are redefining what it means to live in a super-aging society.
What comes after 100?