All over Bangalore
Bring back all lakes, demolish illegal buildings if necessary. Govt should compensate for any losses since they are the ones who approved these illegal buildings on lakes, and those citizens pay since they were insensitive to find out the background and paid bribes.
2. Build 1000s of trees in all localities
3. Do rain water pits all over Bangalore so that when it rains the whole city is rain water harvested.