Footprints of flying
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Sitting cool
Birdbrains combat birdhits
Energy taxes
Pollutants take heavy toll of European trees
Belur Math endangered
Menu: lungs
The steady principle of inconsistency
Bombay gasps
Arab world faces eco-crisis
NOXIOUS NOTES
Risky take-off
Emissions unlimited
Breathless
Flying high
INDIA
CHINA
POLLUTION
COLOMBIA
Guilty of non-compliance
Air pollution
MERCURY DISPUTE
POLLUTERS TO BE FINED