Answer:
The correct option for the above question is-
1) Block-chain
Explanation-
Block-chain Block-chain is a technology that will help the company in tracking the source of purchased goods and how they were made, so that they can understand the environmental impact.
The three main challenges of sustainability-The main challenges of sustainability are as under-
- instability,
- implementation,
- governance.
Nowadays, Increasing global instability, including the recent financial crisis, the political turmoil in the Middle East and North Africa, and the problems caused by changing climate conditions has brought about growing insecurity.