"Perfect is the enemy of good is an aphorism that means insistence on perfection often prevents implementation of good improvements. Achieving absolute perfection may be impossible; one should not let the struggle for perfection stand in the way of appreciating or executing on something that is imperfect but still of value."
As we proceed through this Transition, we'll still be flying Fossil Fuel Burning Jet Planes, and cutting down trees for houses and roads, as we bring on Heat and Power Sources like Nuclear and Renewables...that will also in turn power the creation of Hydrogen products that don't produce CO2...take some time to look toward the future your kids and grandkids will be living in.
Link: https://en.wikipedia.org/wiki/Perfect_is_the_enemy_of_good