sentence: China produces eighteen million tonnes.
sentences_before: The buildings burns coal or oil and this causes the acid rain gases. Governments have tried since the 1970s to reduce the amount of sulfuric oxide being released into the Earth's atmosphere. They have had good results so far. However, it is expensive to clean the smoke from factories and power stations. Great Britain still produces about five million tonnes of these gases every year.
sentences_after: The United States of America produces more than twenty million tonnes.
concept_name: China
headings: Acid rain Causes Human
categories: Precipitation Water pollution