All of these official meetings to address climate change have no meaning, unless they look at what makes human beings consume that much and pollute so much. Unless they understand that it is the structure of our society (trade) that creates these bad behaviors, which in turn create such problems, nothing has any chance of getting better.
With all of these talks and chewing the same gum, no one looks at the human animal in a scientific way, and no one looks at our society from a scientific way. They are trapped in keeping the same religion of trade (economy) alive by any means.
Here's how you have some real chances to change these problems. Ready?
Understand the problem. Trade pushes people to chase...trades. And that's pretty much it. As simple and as dumb as that. Makes us all robotic merchants and consumers. So it is not the rich people's fault, not companies, not governments, not individuals. It is the environment. You can't simply punish anyone, you have to change this environment.
Now that you know what the problem is, tackle it. Trade is the problem, so lets move away from it. We have more stuff and food on this planet that it has become a problem we call waste. Lets start by giving trade-free access to all humans, for at least their basic needs as a first aid. This way you will decouple humans from this robotic state of trading, of being merchants and consumers. Humans will then have more free time to volunteer and create more trade-free goods and services.
This all has real chances to phase out the damaging practices that we see today, since no one will be incentivized to (for example) use coal over renewable energies, to lie about what they offer, to produce bad quality products and so forth. Because we won't try to save the "economy" in such a scenario, but to save us and the environment, and create a better life for ourselves.
In short, if you want to fix climate change alongside the billions of problems we see in the world today, a sane start is to move away from this trade-based society and one way you can do that is to first provide the needs of all humans as trade-free. Technology exist, stuff exist for the job. DO IT!