With current approaches to CO2 reducton not having much impact, some scientists are trying alterntive technology approaches.

"Dumping chemicals in the ocean? Spraying saltwater into clouds? Injecting reflective particles into the sky? Scientists are resorting to once unthinkable techniques to cool the planet because global efforts to check greenhouse gas emissions are failing," said a recent article in the Wall Street Journal.

The Journal article includes the gtaphic below, illustrating some of these new approaches:

Source: Wall Street Journal

Will any of these work? Who knows?

The reality: For any of these projects to go from field trial to full-scale global deployment, it would require international cooperation and likely cost trillions of dollars. That scenario is many years away.

Any Feedback on our Supply Chain Graphic of the Week? Let us know your thoughts at the Feedback section below.