Analyzing Text Structure: Problem and Solution

Read the following passage and answer the question that follows:

In the wake of extensive climate change discussions, scientific communities have advocated for integrated approaches to environmental sustainability. These methods not only emphasize renewable energy but also advocate for a drastic reduction in waste through practices such as upcycling and community composting. Researchers argue that such collective actions can significantly mitigate the adverse effects of climate change and encourage a cultural shift toward sustainability. Policymakers are urged to implement policies that support these practices, making them accessible to all communities.