The investigators found that although N2O is only one-sixtieth as dangerous to the ozone layer as CFCs on a gram-by-gram basis, the sheer amount of N2O each year nearly 1 .
The lamp is 9 candle power, gives one-sixtieth the illumination of full moonlight, i.
In other words, as an expert put it, "One woman is wearing one-sixtieth of the world's tiger population.