In energy conservation practices, what is often encouraged to reduce wasted energy?

Adopting renewable energy sources is encouraged in energy conservation practices because these sources, such as solar, wind, and hydroelectric power, have a lower environmental impact and contribute to a sustainable energy future. Unlike fossil fuels, which deplete natural resources and contribute significantly to greenhouse gas emissions, renewable energy sources help reduce reliance on finite resources while delivering energy in a cleaner manner. By utilizing these alternatives, we can take steps towards sustainable energy management, decrease pollution, and mitigate climate change, ultimately leading to energy conservation on a larger scale.

The other options tend to either perpetuate energy waste or rely on outdated practices that do not align with modern energy conservation goals.