Wide context

Complete PICLE corpus of essays by Polish advanced EFL students (330,000)

/^t/Realising that everybody has heard about ozone layer (the layer of gas high above the surface of the earth which helps to protect from the sun' ultraviolet radiation) it has been recently discovered that holes in the ozone layer are bigger and bigger. It is suggested that they are caused by substances called 'CFC's, which are used in refrigerators, aerosols, cans and in the manufacture of some plastic products. In the far-reaching consequences, the holes in the ozone layer can cause damage of our skin and even horrible cancer! Must we wait until appearance of dramatic tragedy of families?