Critical global Concerns chart

I know that Paraguay is a country under Brazil, Bolivia, and is above Argentina. I know that it is in South America and the capital is Asuncion. I know that it has grassy plains and dry forests, and that there is a lot of harm happening to the ecosystem, like deforestation and a ton of air pollution. But I don’t know is why Paraguay has so much pollution or why so many people emigrated from Paraguay during the 19th century. I don’t know why there are so many waterfalls or man made landmarks that are famous for something that I don’t know about. I would like to know if there is over population in Paraguay or if they have access to clean water. I would like to know if there were famines or droughts that happened to cause such a huge emigration for Paraguay. I would like to study why they have so much pollution and deforestation happening in just there country. I would like to know more about why this is happening in Paraguay.