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Published Apr 10, 2019

Recode Decode: "The Uninhabitable Earth" author David Wallace-Wells

David Wallace-Wells, author of "The Uninhabitable Earth," joins Kara Swisher to delve into the global, political, and historical complexities of climate change, spotlighting the contrasting preparedness of the wealthy and the pressing need for innovative solutions like geoengineering to tackle the carbon crisis.
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  • Geoengineering

    Geoengineering presents both technological possibilities and ethical dilemmas in addressing climate change. explains that injecting substances like sulfur into the atmosphere could potentially lower global temperatures by reflecting sunlight away from Earth. However, he warns of unpredictable consequences, such as impacts on agriculture and public health, and the risk of catastrophic warming if such projects were disrupted 1. Wallace-Wells highlights the complexity of implementing geoengineering solutions, noting, "We are really dependent on these sort of spectacular, unheard of, and untested technologies to avoid anything but truly catastrophic levels of warming."

    We are really dependent on these sort of spectacular, unheard of, and untested technologies to avoid anything but truly catastrophic levels of warming.

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    He also discusses alternative solutions, like feeding cows seaweed to reduce methane emissions, emphasizing the need for a comprehensive approach to climate change 2.

       

    Transportation

    Transportation innovations are crucial for reducing carbon emissions, with cars contributing significantly to the problem. notes that cars account for about 25% of global carbon emissions, and the demand for vehicles is expected to rise as countries like China and India grow wealthier 3. He credits Tesla for pushing traditional car manufacturers towards electric vehicles, but stresses that more comprehensive solutions are needed. "Every time you flick on the light, you're imposing a carbon footprint," Wallace-Wells remarks, highlighting the pervasive nature of carbon emissions.

    Every time you flick on the light, you're imposing a carbon footprint.

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    He suggests alternatives to air travel, such as high-speed rail and carbon-neutral jet fuel, but emphasizes that technological advancements alone won't solve the climate crisis without focused efforts and prioritization 4.

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