Sure, the intention of the lock down is not to prevent climate change. However, the knock on effects are clearly beneficial; a complete halting of nonessential

Sure, the intention of the lock down is not to prevent climate change. However, the knock on effects are clearly beneficial; a complete halting of nonessential travel, anyone who can work from home working from home, a lot of business and industry shut down. In effect it is at or beyond the upper bound on what personal choice could achieve. All of that and it basically sets the rate of increase back a decade or so. To stop burning fossil fuels requires huge advances in energy storage (grid scale batteries, hydrogen / ammonia, thermal storage), energy production (breakthrough in nuclear fusion, more efficient solar) or massive political changes (conventional nuclear, carbon taxes). Probably a combination of all 3.