India - Children go to school within living locality 2 kms radius by public transport and three years ago we bought a house from where they can walk themselves!
Use bicycle for radius of 1-2 kms, use scooter for 5 kms or if only two family members travel, by car if four people travel for a distance beyond 5 kms, use public transport like bus, metro if (point to point).
One more initiative which is my favourite and supporting renewable energy is use of solar power and Chennai is located in Southern part of India above Equator where we get plenty of sunlight.
So, in my new house we have installed a solar water heater with a capacity of 100 litres which is more than sufficient for a family of four members.
We always carry cloth bags or little stylish/modern jute bag. Use a bucket/mug for bath and shower on weekend only!
We can live without oil but not without water. Indian mythology says that buying water and air for a cost means society is getting into a bigger trouble and Mother Earth is stressed to maximum.