Pia Natalia Del Cid Silva
Acid rain: Rain that contains large amounts of harmful chemicals as a result of burning substances such as coal and oil.
Noun. Acid rain in drinking water affects human health.
Air pollution: Harmful substances in the air, often consisting of waste from vehicles or industry.
Noun. Diesel exhaust is a major contributor to air pollution.
Climate change: Changes in the world's weather, in particular the fact that it is believed to be getting warmer as a result of human activity increasing the level of carbon dioxide in the atmosphere.
Noun. The President called for urgent action on climate change.