One of the great benefits of going to space is being able to look back on Earth. Our understanding of the Earth system and humanity’s…
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Tag: ecology
Why might argon be an indicator of extraterrestrial life?
Astrobiology studies the origin, evolution, and possible distribution of life in the universe. One important aspect of astrobiology is the search for biosignatures and bioindicators.…
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What does ecological economics teach us about living sustainably?
Environmental and economic perspectives are often framed as being in opposition; economic activity damages the environment, and environmental concerns prevent growth. There is one field…
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How did the asteroid that killed the dinosaurs cause extinction?
One of the best-known mass extinction events in Earth’s history was the Cretaceous-Paleogene (K-Pg) extinction event. Dinosaurs were among the species that perished. It is…
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Terraforming: Stranger than Science Fiction
Elon Musk and NASA are quarrelling about whether it is possible to terraform Mars. The debate is an old one. Terraforming (sometimes called ecopoiesis in…
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