“1. When purchasing a new car, consider one that is the most efficient, lowest-polluting vehicle...How to Reduce Air Pollution
“Land pollution is the degradation of Earth's land surfaces often caused by human activities and...Land Pollution
“Ammonia or azane is a compound of nitrogen and hydrogen with the formula NH. It is a colourless...Ammonia
“In many places, demand for water exceeds supply. Approximately 97% of the world's water is salty...Water conservation
“The exploitation of natural resources started to emerge in the 19th century as natural resource...Exploitation of natural resources
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