Human evolution has programmed us to stop and notice things that move quickly. It's important to know that a bear is about to attack, but something like climate change doesn't often rank highly on our priority list. It's the same reason that news stories that don't develop swiftly disappear, in favour of fresher headlines.
One of the key features of this year is that it'll be remarkably similar to the year before. And an awful lot like 5 years before that. Perhaps it's won't even be that different from 20 years ago. Go back 50 years and things might start feeling a little more different, yet we'll still be using fossil fuels, transport systems will be much the same as they are today, and medicine will still be driven by vaccinations and clean water.
Most big things don't change that fast. And that can be a problem when it comes to helping people envisage (and be part of) change.