klima

1. climate
   Srbija ima umereno kontinentalnu klimu. — Serbia has a moderate continental climate.
   Klima se menja zbog globalnog zagrevanja. — The climate is changing because of global warming.
2. colloq. air conditioner; AC
   Uključi klimu, baš je vruće. — Turn on the AC, it's really hot.
   Klima nam ne radi u kolima. — The AC in our car doesn't work.
3. (in society, a group) atmosphere; climate
   Politička klima u zemlji je napeta. — The political climate in the country is tense.
   U firmi vlada dobra radna klima. — There is a good working atmosphere in the company.

In the sense "air conditioner", the formal word is klima-uređaj.