The requirement for a Greenhouse Gas (GHG) emissions assessment is unique to each individual or business. Some companies and organisations are required to carry out GHG emissions assessments to ensure that they meet regulatory requirements, whereas other businesses are not required to carry out this type of assessment, however they do so to measure and record their greenhouse gas emissions, putting strategies in place to reduce them. Many companies choose to conduct GHG emissions assessments as it meets their organisational objectives to be more sustainable for the future.