Cactus needles give clues on how to battle smog Cactus needles give clues on how to battle smog
Cactus needles give clues on how to battle smog
China pollution

Cactus needles give clues on how to battle smog

Researchers looking for new methods to fight the mainland's chronic air pollution find inspiration in the needles of a cactus

Topic |   China pollution
Cactus needles give clues on how to battle smog Cactus needles give clues on how to battle smog
Cactus needles give clues on how to battle smog
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