The provided content focuses on the intersection of environment and economy, highlighting the importance of corporate social responsibility (CSR) in sustainable development. The articles discuss various aspects of CSR, including education, research, and marketing strategies for promoting sustainability. Key topics include stakeholder marketing approaches, sustainable business practices, and the role of ethics and social responsibility in marketing channels and supply chains. Additionally, the content explores the relationship between debt levels and fiscal sustainability, as well as the impact of sustainable marketing activities on customer equity. Overall, the articles emphasize the need for holistic management of marketing sustainability to promote environmental and economic development.