It is a type of management of natural resources which encourages the utilization of resources that meet current basic needs, while preserving the resources for the needs of future generations.

1. MANAGEMENT OF NATURAL
RESOURCES

2. Prepared for Class XB KV NO3 Delhi Cantt-10
From Priya Jha TGT (Science)

3. SUSTAINABLEMANAGEMENT
?
It is a type of management of natural
resources which encourages the utilization
of resources that meet current basic needs,
while preserving the resources for the
needs of future generations.

4. Q)Write two advantages of sustainable management of natural
resources. Out of the two-reuse and recycle- which is better and why?
●Two advantages of sustainable
management are:-
i)Provide the resources for the present
generation
ii) Preserve the resources for the future
generation as well.
Reuse is better than recycling because it
does not involve the use of energy.

5. Q) List two advantages associated with water harvesting at
the community level.
• Advantages
associated with
water harvesting at
community level are:
i) Recharge ground
water
ii) Mitigates floods and
droughts
iii) Brings rivers and
wells back to life and
makes more water
available for use.

6. Q ) Differentiate between biodegradable and non-biodegradable substances
with the help of one example each. List two changes in habit that people must
adopt to dispose non- biodegradable waste, for saving the environment,
Biodegradable
substances-
Wastes produced
through living ones are
biodegradable.
Examples: peels of
fruits and vegetables,
egg shells,paper,left
over food
Non-biodegradable
substances-
Wastes produced from
non livings are non-
biodegradable.

9. Classification of Natural Resources

10.  Resources are limited
and with the increasing
human population,
demand is increasing at
exponential rate.
 While extracting or using the
resources,environment is
damaged

11. Ways to save Resources

13. Forest
and
Wildlife

17. Dams
• Ensure storage of
adequate water not
just for irrigation.
• Canal systems from
these dams can
transfer large
amounts of water to
large distances.
• Example-Tehri dam
on river Ganga

20. The common methods of water
harvesting are :

22. Coal and Petroleum

23. MELTING OF POLAR ICE RISE IN SEA LEVELS