Pretty sure both are the second option
Deindustrialisation which resulted in less factories as companies shifted their manufacturing operations to countries of lower production cost. This results in less pollution to the environment as the industrial scene is replaced by the growing services sector. The increasing emphasis on human development and henceforth the sustainability of development is also a contributing factor.
Tropical Humid is the answer you are looking for!
C, usually minerals can be found on just about every continent
