In a nutshell they are:
1 - the awareness of an inevitable decline of the affluent society that no technological evolution will ever be able to solve;
2 - the need to establish a socialist economy and corresponding institutional structures since, if we insist on defending the market society, the crisis can only lead humanity to its ruin;
...but most of all...
3 - the awareness that the human being will be able to carve out his/her own "republic" in absolute respect for the biotic community, which it is a simple - but not even an essential - part of.
The third point sets an unbridgeable distance from any institutional ecological-environmentalism and definitively paves the way for the criticism of speciesist visions that have accompanied the devastating practices of our species for thousands of years.
Only with this awareness is a cultural, social and political resistance against the adverse forces that are leading humanity to a dead end, will be possible.