The cattle dung can be recycled into a biogas plant and turned into biogas easily. there is not much else to do with cattle dung
Temperate climate zone, because big cities don't function well during the arctic winter, nor summer actually
Solar energy is radiant light and heat from the Sun. It is typically clean, pure energy that is sometimes made into electricity. It effects Earth by warming it! It heats the surface, the oceans, and the atmosphere.
Hope this helped.