1. environmental pollution resulted in increase of temperature of atmosphere which resulted in global warming.
2. Green house resulted in increases the global temperature and global warming because in earth have a lot of Chlorofluoro carbons carbon dioxide, Methane and Nitrous oxide
3. Acid rain resulted lives of plants and animals, damages stone statues and buildings. It reduces productivity of crops, forests and grasslands. It causes skin and respiratory diseases in man. Due to acid rain leaves of plants turns yellow and brown.