7  Rolling hill intervenes — adjust stabilizing propellor! (4,5)

 8  Master returning student’s comic (5)

 9  Creator is melting the Arctic (9)

10 Too endemic wastage; area custodian closes water supply (5)

12 Rather occupied vacated studio by embracing a couple of usurpers (2,4)

13 Threat lacking teeth ultimately is 29's constant narrative (8)

16 "'Transformation' synonym, eh?" — classmate holding back (7)

19 Immoral subjugation cut down, broken by Rev.'s backing (7)

22 Important to check age in Alabama! (8)

25 A kind of dating / chat app radically benefiting older, naive beginners (6)

27 Existence to start when egg, finally, is released and moves to the tip? (5)

28 I am back in play, rest (9)

29 He had a remarkable identity, oddly lacking sexual fears (5)

30 Smell washcloth in Christian Dior's home (9)

 2  Even if loath, hug awkwardly (8)

 3   "The Black Cat" author to take a shot at another craft of his (6)

 4  Stay away from young man with a bit of temazepam under bed (7)

 5  He wrote Galileo about church, in benign terms at first (6)

 6   An essay will reshape lines forever (6)

11 Bottom payroll supporting rising rent, say (4)

14 Wrath of a country when its land is taken away (3)

15 December 2016, perhaps, cruelly broke everybody's hearts (3)

16  Titular character's subplot? (3)

17 My electric Zinoro car, at last! (3)

18 List of males with understanding, to start with (4)

20 Gulliver and a Houyhnhnm house gallery? (8)

21 No limits on male company and support? This might be all about symbolic equality (7)

23  Income exempted from rate limits below a line (6)

24 Prospect of one from a Nordic country, reportedly half German (6)

25 Small-scale currency manipulation (6)

26  "Like The Better Half?" "Honey, facts do not need casing!" (3-3)