In 2010 , how many UK respondents to the poll claimed to be fairly convinced of climate change ?
A201A 2012 FOI survey on climate change where the respondents were municipal directors and politicians indicated that they may be divided into three groups - climate believers 30 %) , uncertain ( 61 %) and climate deniers ( 9 %) - on the basis of the responses to questions about the existence of climate change and its being caused by human activities .