>>>http://www.nytimes.com/2016/01/21/science/earth/2015-hottest-year-global-warming.html
>>>
>>>>>the bulk of the record-setting heat, they say, is a consequence of the long-term planetary warming caused by human emissions of greenhouse gases.
>>>
>>>The Koch brothers and Rush Limbaugh have denied this, so it must be false.
>>
>>I don't know what means nah or nahh in english but nah is a so shame slang in turkish... :))
>>Nahhh emphases nah word in turkish.
>
>Nahhh = don't believe it.

Probably nah word came from english to turkish, because same meanings. But you have to do a finger action with this (like your finger action, but a bit different, same meanings).