Cloud computing has reshaped the way companies use computing. The delivery of everything as a service, which is the basis of this technology, allows the use of software, platforms, infrastructures, databases, etc. via remote connection. Due to its applicability, many organizations consider deploying their private cloud infrastructures to avoid relying on service providers. However, countless factors interfere negatively in this process, especially when we consider questions related to sustainability. This article presents the main challenges and concerns faced by companies that aim to migrate to cloud computing. A series of standards and indicators are listed which can serve as a basis for companies to achieve/contribute to environmental sustainability. The data presented is the result of an extension of a systematic literature review and much research on the mentioned topic.
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