Sustainability: Yes!
Understand the change. Act now.

Facts, correlations and solutions made clear in a global context.

Roll up your sleeves. Get involved politically, get an overview, ask questions about purpose and meaning. Anyone can do that. Don't sit back, don't get discouraged or paralysed. There is so much to learn and do at this time. 
Quote from Joanna Macy , Philosopher and System Scientist

The transition to a sustainable society will not be easy. It will be extremely difficult and require huge collective effort. It will also come at enormous financial and social cost.

Because societies have misunderstood what has been happening for so long, and as so much time has been lost, they will have to introduce far more radical changes than will be welcome. 
Graeme Maxton. 2018. Book: Change! Why we need a radical turnaround.