Acid rain: causes, chemistry, effects and responses Acid rain Acid rain is precipitation with elevated acidity (pH below about 5.6) produced when air pollutants form acids in the atmosphere. This article explains its formation, impacts, histo…
An Inconvenient Truth — 2006 documentary on climate change An Inconvenient Truth Overview of the 2006 documentary An Inconvenient Truth: subject, structure, production, reception, awards, controversies, and its role in public discussion about climate change and…
