What is defined as "sustainable energy"?

Sustainable energy refers to energy practices that are designed to meet present needs while ensuring that future generations will also be able to meet their needs. This concept prioritizes not just the availability of energy now, but also the long-term viability and impact of energy sources. Sustainable energy practices are typically associated with renewable resources, such as solar, wind, and hydroelectric power, which do not deplete resources or harm the environment in the same way that fossil fuels do. This definition aligns well with the principles of sustainability, which advocate for a harmonious balance between present demands and future resource availability.

In contrast, energy that decreases greenhouse gas emissions focuses only on emissions reduction and does not incorporate the broader concept of resource management for future needs. Similarly, energy produced without considering future generations' needs fundamentally contradicts the essence of sustainability, as it prioritizes short-term gains over long-term consequences. Lastly, energy generated solely from fossil fuels is unsustainable due to its finite nature and significant environmental impact, making it an unsuitable model for sustainable energy practices.