Across
Possible evidence of climate change hoax (4-2)
Fastest part of UK motorway, optimum to go around 50 (8)
Small steps in emissions, ultimately for Musk's costliest vehicles (10)
We're in trouble over water treated chemically (2-2)
Maverick actor to fly fuel-efficiently? (6)
Material glut went unrestricted (6)
Creature who mostly consumes (4)
At one minute to midnight, drunken minister grabs kiss behind wife's back (2,8)
Unpleasant consequences could be dead nasty, summit agreed (5,2,3)
With little support millions fall in floods (4)
Coming from oilman, a natural request to procrastinate (6)
Stout old Spaniard backing zero carbon - about time (6)
Case that's quite desperate, no question (4)
Mean heat up, Dutch admit (4,4,2)
Two Republicans in US deny melting; one getting issue off her chest? (3,5)
Jeremy worries every so often, being a 4 (6)
Down
Empty pledges added to Filbert's bad spirits (4)
Radio beacon isn't working - it's supposed to save us (15)
Cloud spotter spies swirling fog (9)
Being green, I check energy after short nap (7)
Man in control of sea-level, one supposes erroneously (5)
Let me explain plan B: pretend everything's OK (4,3,5,3)
Maybe pumps around liner fouled beaches etc (10)
Meteorologist's warning dismissed by head of state (10)
Infrastructure down after a storm raged by it at sea (3,6)
Playing cards, diamonds is what North increasingly lacks (4,3)
Warning gong in Central Park (5)
Bother over burning gas (4)
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