geoengineering

Government research and development has its limits: Time, money and bureaucracy can all hamper the timely progress of research. As a result, many federal agencies are looking to private companies to help drive new innovation and keep costs down — but it’s never that simple. Two current hot-button topics — returning humans to space and geo­engin­eer­ing — highlight a range of issues related to how private and public investment in science can coexist. Last month, we looked at NASA’s push toward privatization.