Documents RENEWABLE ENERGY – SOLAR. DIRECT SOLAR ENERGY Varies with latitude, season, time of day, and...

Slide 1 RENEWABLE ENERGY – SOLAR Slide 2 DIRECT SOLAR ENERGY  Varies with latitude, season, time of day, and cloud cover Slide 3 HEATING BUILDINGS AND WATER  Passive…

Documents If solar energy is so cool, why isn't everybody using it? Even though humans have been using the...

If solar energy is so cool, why isn't everybody using it? Even though humans have been using the sun's energy for thousands of years , photovoltaic (solar electric)…