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Blot Out the Sun?

34:40
 
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Manage episode 377621830 series 1211700
コンテンツは Tällberg Foundation によって提供されます。エピソード、グラフィック、ポッドキャストの説明を含むすべてのポッドキャスト コンテンツは、Tällberg Foundation またはそのポッドキャスト プラットフォーム パートナーによって直接アップロードされ、提供されます。誰かがあなたの著作権で保護された作品をあなたの許可なく使用していると思われる場合は、ここで概説されているプロセスに従うことができますhttps://ja.player.fm/legal
Luke Iseman and Andrew Song explain how they think they can cool the planet.

Supposedly, Herodotus wrote that when the Greeks were told that the Persian archers at the Battle of Thermopylae would blot out the sun with their arrows, they responded: “Good, then we shall have our battle in the shade.”

Fast forward to the early 21st century and the issue is no longer Persian arrows, but the relentless heat from a sun less and less buffered by earth’s atmosphere because of the accumulated greenhouse gasses. The result, according to scientists, is a rapidly warming planet with increasingly extreme weather, droughts and floods, supercyclones and hurricanes, raging forest fires, or other unusually intense natural disasters. All of that has become the new normal with every likelihood that what’s extreme today might be perceived as moderate next year. The need for shade has never been greater!

What can be done?

One possibility is what’s called "solar radiation management.” SRM essentially amounts to reducing the amount of solar radiation hitting, and hence warming, the planet. It's either an obvious approach—think, if not Persian arrows then the eruption of huge volcanoes—or crazy dangerous, depending on where you sit.

Luke Iseman and Andrew Song think it’s obvious, and are pioneers in trying to deflect solar radiation away from the Earth. But, unlike scientists, they have decided to stop talking about it and have begun doing it. Listen as they explain how they think they can cool the planet.

Is it okay for individuals to try to re-engineer the climate? Tell us what you think.

  continue reading

196 つのエピソード

Artwork
iconシェア
 
Manage episode 377621830 series 1211700
コンテンツは Tällberg Foundation によって提供されます。エピソード、グラフィック、ポッドキャストの説明を含むすべてのポッドキャスト コンテンツは、Tällberg Foundation またはそのポッドキャスト プラットフォーム パートナーによって直接アップロードされ、提供されます。誰かがあなたの著作権で保護された作品をあなたの許可なく使用していると思われる場合は、ここで概説されているプロセスに従うことができますhttps://ja.player.fm/legal
Luke Iseman and Andrew Song explain how they think they can cool the planet.

Supposedly, Herodotus wrote that when the Greeks were told that the Persian archers at the Battle of Thermopylae would blot out the sun with their arrows, they responded: “Good, then we shall have our battle in the shade.”

Fast forward to the early 21st century and the issue is no longer Persian arrows, but the relentless heat from a sun less and less buffered by earth’s atmosphere because of the accumulated greenhouse gasses. The result, according to scientists, is a rapidly warming planet with increasingly extreme weather, droughts and floods, supercyclones and hurricanes, raging forest fires, or other unusually intense natural disasters. All of that has become the new normal with every likelihood that what’s extreme today might be perceived as moderate next year. The need for shade has never been greater!

What can be done?

One possibility is what’s called "solar radiation management.” SRM essentially amounts to reducing the amount of solar radiation hitting, and hence warming, the planet. It's either an obvious approach—think, if not Persian arrows then the eruption of huge volcanoes—or crazy dangerous, depending on where you sit.

Luke Iseman and Andrew Song think it’s obvious, and are pioneers in trying to deflect solar radiation away from the Earth. But, unlike scientists, they have decided to stop talking about it and have begun doing it. Listen as they explain how they think they can cool the planet.

Is it okay for individuals to try to re-engineer the climate? Tell us what you think.

  continue reading

196 つのエピソード

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