Relacionar Columnas Environmental problems Versión en línea Relate the pictures with the sentences por Maira A. Mendoza 1 In 2018 the air in Madrid was highly polluted due to climate change and the burning of fossil fuels 2 Last year the river Tibú, in Norte de Santander, was contaminated by an oil spill 3 The burning of sugarcane in the Valle del Cauca was one of the causes of air pollution in recent years 4 During 2018 in Colombia were cut down 197,159 hectares of forest. 5 The Cauca River was very polluted because people dumped a lot of waste there
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