This crossword No. 13124 clues and answers were published on Fri 01 Jun 2012 and the puzzle can be visited by following The Guardian Quick Crossword No. 13124 link.
All Across Clues and Answers:
1-across – Greenhouse gas : CARBONDIOXIDE
8-across – Uncomplaining — tolerant : PATIENT
9-across – Cheat : TEACH
10-across – Offend : HURT
11-across – Floor covering : LINOLEUM
13-across – Given to reckless behaviour : MADCAP
14-across – Reddish metallic element : COPPER
17-across – Drug producing torpor : NARCOTIC
19-across – By mouth : ORAL
21-across – Nymph : HOURI
22-across – Merciful : LENIENT
24-across – One engaged in commercial : WHEELERDEALER
All Down Clues and Answers:
1-down – Headgear : CAP
2-down – No longer working : RETIRED
3-down – Cooking device : OVEN
4-down – Hold back — arrest : DETAIN
5-down – Conformist : ORTHODOX
6-down – Angry : IRATE
7-down – Short lived : EPHEMERAL
10-down – Shilly-shally : HUMANDHAW
12-down – Impressive in appearance : BARONIAL
15-down – Composer of Dido and Aeneas, d. 1695 : PURCELL
16-down – Executioner : KILLER
18-down – Itinerary : ROUTE
20-down – Leg joint : KNEE
23-down – Dark viscous substance : TAR
This crossword has in total 26 where 12 are across and 14 are down.