International Climate Negotiations: “Blabla” or Key Forum to Solve the Climate Crisis?

How can one, as an individual, influence the global policy process addressing climate change? Isn’t one powerless given the enormous resources controlled by fossil fuel interests? Will policymakers not always address short-term issues while shirking the long-term ones? Does a consensus-based process at all make sense when there are so many open and hidden conflicts regarding how to address the global public good of climate change mitigation?