Popping up (7)
I believe the answer is:
arising
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">popping up</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for arising that I've seen before include "on the horizon" , "occurring" , "Coming up for discussion" , "becoming manifest" , "Emerging" .)