It is important, but anything done by any country unilaterally will make little if no difference.
Every Country on Planet Earth needs to take action, not just pay lip service to the agreement’s made during COP.
Many folk are doing what they can for the planet, but again unless we stop buying and that includes technology we are heading into an unknown scenario, one which I think will be extremely unpleasant for a large section of Earths population.
Who is willing not to have mobile phones, laptops, TV’s with all the streaming channels, latest trainers, jeans etc. Who can afford an electric car (or the electricity to charge it).
The planet is still being plundered for its resources and I cannot see any appetite for frugality amongst the populace.