The most common and most likely answer to this crossword clue is the 6 letter word POLING
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More clues leading to the result POLING
Buddy explains!

The straight part
We know that "Burning green logs" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case burning green logs = poling.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does POLING mean?
POLING verb- To propel by pushing with poles, to push with a pole.
- To identify something quite precisely using a telescope.
- To furnish with poles for support.
- To convey on poles.
- To stir, as molten glass, with a pole.
- To strike (the ball) very hard.
- To induce piezoelectricity in (a substance) by aligning the dipoles.
- The act of supporting or of propelling by means of a pole or poles.
- The operation of dispersing wormcasts over the walks with poles.
- One of the poles or planks used in upholding the side earth in excavating a tunnel, ditch, etc.