How About Let's Not Re-Engineer The Planet, Or Maybe Let's?

Scientists consider all the awesome, sci-fi ways we might change the environment to stop climate change and decide it's not a great idea—mostly.

Of all the responses to climate change that involve actually doing something to stop it, the idea of geoengineering is the most radical—fixing the climate by tinkering with Earth's physical systems, rather than lowering the emissions that cause warming. Examples of these tactics include dispersing particles in Earth's upper atmosphere that would reflect more sunlight or even seeding the oceans with iron so they'll absorb more CO2.

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