I believe the correct answer is: The two paragraphs provide details about the solution that the previous paragraph introduces.
In this excerpt from “A Cooking Revolution: How Clean Energy and Cookstoves Are Saving Lives” written by Chef Jose Andres, author uses the one-sentence paragraph ("It's also why I'm proud to support an effort to bring clean cookstoves and fuels to millions of people in developing countries") as the base for the introduction of the solution, after which he places these paragraphs to provide the details to the solution.