Sentence:  <WSD>Rainmakers</WSD> consider seeding Bangkok sky as PM2.5 returns to ‘safe' level [title] ... The Royal Rainmaking and Agricultural Aviation Department is preparing to seed clouds above Bangkok in an attempt to ease the capital's smog problems. 
Meaning of the word marked with <WSD> tags:  A person who seeks to induce rainfall through scientific methods, such as cloud seeding.