An organized campaign of vigilance to alert people to the dangers of environmental pollution.
（促使人们对环境污染危害保持警觉的）环境监测（运动）
Derivatives
doomwatcher
noun
Alongside the customary knee-jerk reactions of futurology doomwatchers, there have been worries among labour organizations and data privacy authorities over the genome sequencing exercise.
Example sentencesExamples
The doomwatchers, who viewed the scene from abroad, almost gloatingly predicted a fiasco on the lines of what happened to federation in Africa - arguing that a federation could never be established.
Still, BBC's televised tie featuring Aberdeen and Rangers seemed worth watching, if only because doomwatchers predicted it would be Alex McLeish's swansong.
Fifteen or so years on from its so-called football revolution, when the satellite broadcaster began pumping vast and hitherto unseen amounts of money into the game, some doomwatchers are still predicting that the End Is Nigh.