Earth: The Back-Up Plan

If the effects of climate change and global warming are going to be what we’ve all been warned about, it might be time for drastic measures. Just in case, here’s a few “outside-the-box” Earth-Saving ideas to think about: injecting dust or sulfur into the atmosphere to scatter the sunlight and cool the air down; build a sun-shade or space-ring to block some of the sun’s rays; inject the ocean with iron to speed up plankton growth, which will in turn consume carbon dioxide; or,