Each chapter has exercises: bury a banana peel, plastic bag and a paper cup in separate pots and check their state of decomposition after a...

Green activist Jahnavi Pai, 34, said that her trip covered 6,800 km, 14 cities, five trains and had zero bottled water and waste.

Bengaluru produces 90 tonne of sanitary waste in a day. It either goes to the landfill or is burnt -both processes harm the environment.