Radical ways to fix the Earth: are they magic bullets or just band-aids?

Technologies like geoengineering may tackle global warming - but first we need to ditch fossil fuels for renewable energy There is no prospect of a magic bullet rescuing the world from the impact of global warming, scientists warned this weekend. As Earth completed the hottest month ever recorded on its surface, climate experts and engineers made it clear that only global reductions in fossil fuel burning could prevent the planet from entering an era of intense overheating. There have been propo...