As we know, sulphur falls to the earth, acidifies the soil and does harm to nature.
Many lochs and streams have become acidified and therefore fishless.
Think, for example, of the emission of acidifying substances and dust particles in the production of electricity, among other things.
It is important to recognise the effect that acid rain, by acidifying surface waters, has on aluminium levels in drinking water.
Sweetening sugar beet is as much of a tradition in northern countries, as is acidifying wine in southern countries.
Work has already been commissioned on the effects of acidifying pollutants on forests, soils and natural vegetation.
Despite the increased energy consumption, there has been a dramatic fall in emissions of acidifying substances.
Acidified water also releases heavy metals which constitute a health problem.
