Industrial engineer: Some people have suggested that the problem of global warming should be addressed by pumping some of the carbon dioxide produced by the burning of fossil fuels into the deep ocean.
Conclusion
The worry that dumping fossil fuel’s CO2 into the ocean would trade one pollution for another equally bad one is unfounded.
Evidence
Tons of the CO2 that comes from fossil fuels already ends up in the ocean, and it’s not causing any environmental problems as bad as global warming.
Evaluation
This follows a classic template for Main Conclusion questions in which you hear a Counterpoint, hear the author’s disagreeing Conclusion, and then hear the author’s support for that disagreement.
Goal
We just need a paraphrase of