i) The Chipko movement was started in April 1973 in Reni village in Uttarakhand where the villagers prevented cutting of trees by embracing the trees. It was an initiative by Sunder Lal Bahugana to stop exploitation of forests.

Forests should be conserved for a variety of reasons since they are sources of essential items like medicine, food, wood etc. Forests prevent soil erosion, prevents floods, prevents global warming and maintains ecological balance.

ii) The four changes that I would like to incorporate in the life-style of students of my age to move towards a sustainable use of available resources are:

a) Support afforestation and prevent deforestation.

b) Encourage rainwater harvesting in the society.

c) There should be two separate bins: one for throwing biodegradable wastes and another for non-biodegradable wastes.

d) Encourage students to cycle or use pool cars for shorter distances instead of motor vehicles or individual cars.

e) Recycle papers and plastic as and when possible.

iii) The three R's he mentioned were:

Reduce, Reuse and Recycle.

These can be followed in a number of ways:

REDUCE:

a) Reusable water bottles should be used.

b) Reduction of plastic bags usage.

c) Electronic mails can be used instead of paper mails.

d) Avoid usage of plastic paper plates, napkins etc.

REUSE:

a)Glass bottles can be reused.

b) Reuse containers, cups, jars, books (can be handed to others when one finishes reading themselves) etc.

RECYCLE

a) Recycled products should be encouraged.

b) Electronic equipments can be recycled.

c) Newspapers can be recycled.