Today, Explained

Block the sun, save the earth?

4 snips
Mar 1, 2023
Elizabeth Colbert, a New Yorker staff writer known for her work on climate issues, and Kevin Surprise, an environmental studies lecturer, delve into the contentious world of solar geoengineering. They discuss its risky proposition of cooling the Earth by blocking sunlight, exploring historical perspectives and ethical dilemmas. The conversation highlights the geopolitical implications of unilateral actions and the urgent need for global cooperation. Ultimately, they question whether such interventions might distract from addressing the fundamental causes of climate change.
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ANECDOTE

Make Sunsets

  • Luke Eisman, inspired by a sci-fi novel, started Make Sunsets to sell cooling credits.
  • He released sulfur dioxide into the stratosphere, but Mexico shut down his operation.
INSIGHT

Geoengineering Debate

  • Solar geoengineering, like Make Sunsets, raises ethical questions about climate solutions.
  • Is it a viable option or a dangerous distraction from necessary lifestyle changes?
INSIGHT

Geoengineering Process

  • Solar geoengineering involves continuously releasing reflective substances into the stratosphere.
  • This creates a global haze, mimicking volcanic eruptions' cooling effects, but requires constant replenishment.
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