Although the concentration of the ozone in the ozone layer is very small, it is vitally important to life because it absorbs biologically harmful ultraviolet (UV) radiation coming from the sun. Extremely short or vacuum UV (10â100 nm) is screened out by nitrogen.
Lightning strikes reach the ground on Earth as much as 8 million times per day or 100 times per second, according to the National Severe Storms Laboratory. Out of all the lightning strikes in the world, the United States accounts for about 20 million of the total number of lightning strikes each year. Continue Reading.
With a smaller population and land mass, the UK has fewer deaths from lightning strikes. According to the tornado and storm research organisation (Torro) database, 30 to 60 people are struck by lightning each year, with an average annual death toll of less than five. Lightning strikes tend to be concentrated in the south-east, because of the warmer average temperatures.