Wind energy does not present population level risk to birds.
Enough sunlight falls on the earth’s surface every hour to meet world energy demand for an entire year.
Each hour enough sun shines to power the world for an entire year.
Silicon in one ton of sand, used in photovoltaic cells, produces as much electricity as 500,000 tons of coal.
Albert Einstein won the Nobel Prize in 1921 for his experiments with solar power and photovoltaics.