Identifying Organizational Strategy in Persuasive Writing

In a persuasive essay, the author seeks to convince the audience of their viewpoint through various organizational strategies. Understanding how the structure of an essay contributes to its effectiveness is key to rhetorical analysis. Consider the following excerpt from an essay discussing the importance of renewable energy sources.

'First, the reliance on fossil fuels not only harms our environment but also threatens our future generations. Therefore, transitioning to renewable energy is not just beneficial; it is essential. Furthermore, studies show that renewable energy has become increasingly cost-competitive, making it a viable alternative. Finally, government policies play a crucial role in supporting renewable energy development.'

Based on the structure of this excerpt, what organizational strategy does the author primarily use?