# Can giant space mirrors boost green energy on Earth? A start-up is seeking the answer to this question. - **Source:** [Nature](https://brifing.si/source/4d850c3b-dd79-4024-bc91-db2571889199) - **Published:** 2026-07-17 - **Topic:** [Business](https://brifing.si/c/business) - **Original article:** - **On Brifing:** https://brifing.si/s/15a76ff2-d306-4ebf-82ee-d7d61fd9ea16 ## An innovative idea A start-up plans to use giant space mirrors to meet Earth's energy needs. These mirrors aim to reflect sunlight to increase the efficiency of solar power plants on the ground. The project highlights the potential role of space-based solutions in the renewable energy sector. ## Technological challenges Developing and deploying space mirrors involves significant technical challenges. Factors like the size of the mirrors, their positioning in space, and maintenance are among the obstacles. However, the start-up continues its efforts to overcome these challenges. ## Environmental impacts The environmental effects of the project are also under scrutiny. The potential impacts of space mirrors on ecosystems are being studied. The start-up is working to understand how this technology can be used without disrupting natural balance. ## Economic dimension The cost and economic feasibility of space mirrors are also important topics. It's still unclear whether the project will be profitable in the long term and how it will affect energy costs. Investors are evaluating the potential of this innovative idea. ## Global cooperation International collaboration is needed for the project's success. The development and use of space mirrors may require the participation of multiple countries. The start-up is striving to establish partnerships in this regard. ## Promising future Space mirrors could revolutionize the renewable energy sector. This project pushes the boundaries of clean energy sources and offers hope for how energy production might change in the future. If successful, it could influence energy policies worldwide. ## Sources covering this story - https://www.nature.com/articles/d41586-026-02218-9 — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._