Thailand uses aircraft to spray water and dry ice over Bangkok to combat dangerous air pollution levels.

Thailand is experimenting with an unproven method to combat severe air pollution in Bangkok, where pollution levels have reached eight times the World Health Organization's recommended maximum. The Royal Rainmaking department is using aircraft to spray cold water or dry ice into the warm air layer to cool it down and disperse trapped particles. Critics argue this method lacks evidence of effectiveness and suggest addressing pollution sources with proven measures instead.

2 months ago
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