"The use of solar energy has not been opened up because the oil industry does not own the sun." - Ralph Nader
"Deserts are advancing and taking over the land. Deserts can be repelled, by developing tree-planting projects, having better agriculture and by managing the land better. However, governments still are reluctant to fund anti-desertification, despite horrific droughts that have occurred in recent years."
SunCalc shows sun movement and sunlight phases during the given day at the given location.