$1.$ Please explain sustainability reporting

$2.$ What is the major challenge$($s$)$ a company faces in preparing the sustainability reporting made public?

$3.$ What result$($s$)$ or conclusion$($s$)$ may be reached regarding the strategies a company has taken or is taking, not only about sustainability reporting but also about reducing its impact on the environment from a business point of view?

$4.$ How might practitioners potentially apply the public information disclosed by a company in the real world?