Judge Rinder has been taking steps to reduce his own carbon footprint in the wake of the all-important COP26 summit.
The 43-year-old barrister was left shocked, along with millions of other people, after figures from the conference were released, prompting all countries to take necessary steps to strengthen global commitments to protecting the planet.
He recently enjoyed some time on Good Morning Britain as a guest host alongside his good pal and presenter Susanna Reid, but says he felt "reckless" to drive into work.
Judge Rinder had to get a taxi to drive him into the city, as the Tube - which he "adores" - was not running during the early hours of the morning.
Robert admitted he felt "reckless" driving into work after the "terrifying" COP26 figures were released.
The TV star also shared he "almost misses the empty streets of lockdown".
He wrote in his latest Evening Standard column: "The quantity of gas-guzzlers on the roads is just terrible for the city and the planet.
"Not only that, it seems to be getting worse (just ask any taxi driver).
"As people head back to work, London has started to feel like one enormous, honking, grimy car park.
"On the back of weeks of terrifying COP26 figures, this just feels reckless."
He concluded: "It's amazing to have life getting back to normal, but recently — and I never thought this could happen — I’ve almost missed the empty streets of lockdown.
"We've all got to try harder to drive less."
Robert added that he isn't much of a driver, explaining: "Firstly, because I don't really have to — and no, that's not because I've got limos and chauffeurs up the wazoo.
"It's because London's got one of the greatest public transport systems in the world (when it works). I adore the Tube."
He shared his hopes that one day Transport for London will build a new Tube line just for him, called the "Rinder Line".
Judge Rinder hilariously confessed he doesn't drive "out of respect for other road users" after he failed his test four times before eventually passing.
He said during one of his early tries, the examiner had to stop the car and suggested driving wasn't his thing after a manoeuvre went wrong.
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