forecasting to 2050
wouldn't recommend the executive summary but the collection of reports seems to be quite comprehensive across a range of relevant areas
"The Project has involved around 400 leading experts and stakeholders from about 35 countries across the world. Drawing upon over 100 peer-reviewed evidence paper commissioned by the Project which can be accessed in full here (hyperlink). "
The Millennium Project is a global participatory futures research think tank of futurists, scholars, business planners, and policy makers who work for international organizations, governments, corporations, NGOs, and universities. The Millennium Project manages a coherent and cumulative process that collects and assesses judgements from its several hundred participants to produce the annual "State of the Future", "Futures Research Methodology" series, and special studies such as the State of the Future Index, Future Scenarios for Africa, Lessons of History, Environmental Security, Applications of Futures Research to Policy, and a 700+ annotated scenarios bibliography.