Respuesta :
Answer:
global warming.
Explanation:
we continue to use toxic materials that destroy the earth and we allow toxic fumes into our earths atmosphere instead of using eco friendly fuels.
Modern hazards, caused by development that lacks environmental safeguards, such as urban (outdoor) air pollution and exposure to agro-industrial chemicals and waste, prevail in industrialized countries, where exposure to traditional hazards is low.i hope this helps you for what your looking for