Climate change has been a pressing issue for decades, with global temperatures rising steadily due to the increased release of greenhouse gases. A significant contributor to this issue is the burning of fossil fuels, such as coal, oil, and natural gas. To combat climate change, many countries are shifting their focus towards renewable energy sources like solar, wind, and hydropower. These sources of energy have a lower impact on the environment, as they do not produce greenhouse gas emissions during energy production. What is the primary focus of the passage?
