But, he makes no mention of nuclear power, which is the only practical energy source that would permit clearing the environment of excessive CO2. In other words, it's just another case of "clergyperson says words".
Also, consider this: China [not capitalist] produces more CO2 than the U.S. and EU combined and, in the past decade, America has decreased annual CO2 emissions by nearly 800 million tons—the most of any country in the world.
That was done through the system that is capitalism.