ကမ္ဘာလွှမ်းမိုးမှု

ကမ္ဘာလွှမ်းမိုးမှုကို ဘာတွေက ဖြစ်စေပါသလဲ?

  1. pollution! traffic, planes, factories. chopping forests.
  2. factories, transport and something like that
  3. burning oils, driving cars with a big engine, smoke coming from the factory's chimney and so on
  4. pollution
  5. fabric's fume, smog, uncountable amount of cars..