This second volume is devoted to the disclosure of the peculiarities of sustainable development of business 4.0 as a subject of the digital economy. It systematizes the components of sustainable development of business 4.0 in the digital economy markets. The key areas of sustainable development management in business 4.0 in the digital economy markets are identified. Corporate environmental responsibility in support of sustainable development of business 4.0 in the digital economy markets is considered. The international experience of sustainable development of business 4.0 in the digital economy markets is highlighted. Recommendations for the sustainable development of business 4.0 in the digital economy of the "Decade of Action" are proposed.