In which year did Amrita Devi Bishnoi sacrifice her life for the protection of $Khejri$ trees?

State two main concepts of sustainable development.

Due to the active and willing participation of the local community,the Sal forests of Arabari underwent a remarkable recovery by $1983$. $A$ previously worthless forest was valued ₹ $12.5$ crores.
$(a)$ Explain how it became possible to bring such a change.
$(b)$ Mention any two values shown in this approach of forest management.

The most appropriate definition of a natural resource is that it is a substance/commodity that is:

Among the statements given below,select the ones that correctly describe the concept of sustainable development:
$(i)$ Planned growth with minimum damage to the environment
$(ii)$ Growth irrespective of the extent of damage caused to the environment
$(iii)$ Stopping all developmental work to conserve the environment
$(iv)$ Growth that is acceptable to all the stakeholders

Why is sustainable management of natural resources necessary? Out of the two $-$ reuse and recycle $-$ which,in your opinion,is better to practise? Give reason.