Answer:
Solar
Step-by-step explanation:
Solar energy is a renewable type of energy that became popular in the United States in the 1980s, and has increased in popularity ever since. This involves the use of technology (solar heating, photovoltaics, solar architecture, artificial photosynthesis, etc.) to capture light and heat from the Sun. This is one of the most popular sources of renewable energy, as well as one of the most effective ones.