How GPS Tracking Makes Expanding Sun Power Easier. Without the Sun, Earth could not support life. The Sun is why the plants grow, warms the planet’s surface, atmosphere, oceans, and is an amazing source of vitamin D for animals and humans. The Earth’s number one energy source, fundamentally, is the Sun’s rays. Utilizing this abundant, renewable, reliable energy to power our cars, buildings, etc. is an obvious direction for every nation. >> Continue Reading