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Imagine two hypothetical futures: one where countries deal with climate change by reflecting sunlight into space, and another where the world continues to warm. There are big differences between the two, but there are also much smaller, more subtle changes.
Take malaria for example. In the year By 2070, the overall risk of malaria transmission will be approximately the same in the two worlds. But in a hypothetical geoengineered version of the Earth, the threat of the disease moved across the map from East to West Africa.
These scenarios highlight the complex trade-offs that can accompany solar geoengineering. And they raise serious questions about how the world may or may not use tools that alter the entire climate system, which may benefit many but create new dangers for some. Read the full story.
– James Temple
Teachers in Denmark are using apps to audit their students’ moods.
No one knows why, but in just a few decades, the number of depressed Danish children and young people has more than sextuple.
To help overcome the problem, some schools are using special cases that are frequently assessed on various health indicators of school children and using algorithms to focus the class.
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