A case study in São Paulo demonstrates the economic and environmental viability of generating electricity from food waste using a biogas-adapted generator. The project, conducted in a shopping centre, produced 1,368,750 m3 of biogas annually, reducing electricity consumption by 14% and achieving a profit of USD 3.087 million with a 433% ROI. The study highlights the potential of biogas as a renewable energy source, offering significant cost savings and environmental benefits, including reduced greenhouse gas emissions and organic waste recycling. The findings suggest that biogas production from food waste is a sustainable and economically viable energy solution.

The article explores the use of the Balanced Scorecard (BSC) as a strategic evaluation tool for small-scale hydropower (SHP) projects, focusing on economic, socio-environmental, institutional, and technical perspectives. It highlights the challenges SHP faces in the global electricity matrix and proposes a methodology to enhance SHP project feasibility. The study includes the development of a computer program, SAID-pch, to assess SHP projects, demonstrating its effectiveness in identifying strengths and weaknesses. The research underscores the importance of strategic evaluation in optimizing SHP projects and provides insights into improving their performance.

Francesco Facchini shared his experiences in Colombia at the social space La Boje in Mantova, discussing peasant movements and peace. He witnessed the challenges faced by rural communities and organizations like Agrogüejar in the Meta department, amidst threats from armed groups and government opposition to the peace process. Despite the violence, these communities continue to strive for peace and social change, engaging in sustainable agriculture and reconciliation projects.

Francesco Facchini responds to Nick Garnett's assertion that mobile journalism is dead, arguing that it is premature to declare its demise. Facchini emphasizes the importance of mobile journalism in Italy, a country with a struggling media market and poor journalistic job conditions. He highlights the efforts of the Italian Mojo Association and other communities in Rome and Milan to promote mobile journalism. Facchini calls for a more nuanced discussion on the future of mobile journalism, including profitable business models and clear definitions of what constitutes mobile journalism.

The article provides seven practical tips for mobile journalists working in the field, emphasizing the importance of preparation, efficient use of time, and personal branding. Key recommendations include taking time to observe the environment, ensuring good audio quality, being assertive during interviews, and using backup equipment. The author also highlights the significance of personal branding and community building through social media while working on stories.