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Gardening astronauts and CO2 detectives: Space exploration fights climate change
Climate change is a global threat. So where to get the best perspective on the problem? Space! Scientists are monitoring Earth with satellites and running experiments in zero gravity to help save our fragile planet.
When Yuri Gagarin, the first human being to leave the confines of Earth, looked back and saw it from outside, his worldview changed forever. "I saw for the first time how beautiful our planet is," Gagarin said on his return. "Mankind, let us preserve and increase this beauty, and not destroy it."
Since then, numerous astronauts have reported similar feelings of protectiveness toward a planet that suddenly appeared tiny, fragile and alone in the universe. Most recently, US astronaut Scott Kelly said looking down at our planet from space makes you "more of an environmentalist."
Kelly saw something that wouldn't have been as visible in Gagarin's day. He reported that from the vantage point of the International Space Station (ISS), he was viewing some parts of the world through a thick veil of pollution.
But these days, that extraterrestrial perspective isn't just changing our relationship with the planet on a conceptual level. It's helping us develop solutions to protect it.
Seeing it from space, Yuri Gagarin grapsed in beauty and fragility of our planet in a whole new way
A fresh perspective on climate change
This week, more than 100 scientists gathered in Cologne at the Climate Change Conference organized by the German Aerospace Center (DLR) to discuss how space-based research helps us better understand and adapt to climate change.
The closest we've got to colonizing another planet is landing robots on Mars. Their holiday snaps don't look very inviting
Experimenting with how plants get on in zero gravity, astronauts tending their garden aboard the IS found they could grow vegetables with less water than they'd need back home. The research could help terrestrial farmers save water – which will play an increasingly important role in feeding the world in a hotter climate.
In early April, ISS crew members harvested red romaine lettuce from NASA's VEG experiment, the third round of the project. They had to save some of the harvest for research back on Earth. But the rest, they were allowed to eat.
"It was delicious," astronaut Anton Shkaplerov announced on Instagram, welcoming a change from the dehydrated fare he'd had to get used to.
Even a simple lettuce leaf becomes a thing of wonder once you leave planet Earth. So with landing the first humans on the barren uninhabitable wastes of Mars still some way off, we'd do well to listen to the space explorers, and preserve the planet we have.
Climate change is a global threat. So where to get the best perspective on the problem? Space! Scientists are monitoring Earth with satellites and running experiments in zero gravity to help save our fragile planet.
When Yuri Gagarin, the first human being to leave the confines of Earth, looked back and saw it from outside, his worldview changed forever. "I saw for the first time how beautiful our planet is," Gagarin said on his return. "Mankind, let us preserve and increase this beauty, and not destroy it."
Since then, numerous astronauts have reported similar feelings of protectiveness toward a planet that suddenly appeared tiny, fragile and alone in the universe. Most recently, US astronaut Scott Kelly said looking down at our planet from space makes you "more of an environmentalist."
Kelly saw something that wouldn't have been as visible in Gagarin's day. He reported that from the vantage point of the International Space Station (ISS), he was viewing some parts of the world through a thick veil of pollution.
But these days, that extraterrestrial perspective isn't just changing our relationship with the planet on a conceptual level. It's helping us develop solutions to protect it.
Seeing it from space, Yuri Gagarin grapsed in beauty and fragility of our planet in a whole new way
A fresh perspective on climate change
This week, more than 100 scientists gathered in Cologne at the Climate Change Conference organized by the German Aerospace Center (DLR) to discuss how space-based research helps us better understand and adapt to climate change.
The closest we've got to colonizing another planet is landing robots on Mars. Their holiday snaps don't look very inviting
Experimenting with how plants get on in zero gravity, astronauts tending their garden aboard the IS found they could grow vegetables with less water than they'd need back home. The research could help terrestrial farmers save water – which will play an increasingly important role in feeding the world in a hotter climate.
In early April, ISS crew members harvested red romaine lettuce from NASA's VEG experiment, the third round of the project. They had to save some of the harvest for research back on Earth. But the rest, they were allowed to eat.
"It was delicious," astronaut Anton Shkaplerov announced on Instagram, welcoming a change from the dehydrated fare he'd had to get used to.
Even a simple lettuce leaf becomes a thing of wonder once you leave planet Earth. So with landing the first humans on the barren uninhabitable wastes of Mars still some way off, we'd do well to listen to the space explorers, and preserve the planet we have.
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THE AMAZING THINGS SENTINEL SATELLITES SEE
From the French Riviera
It may be among the strangest places on Earth, but this is where a lot of the European Union's Sentinel satellite equipment is being built for the Copernicus Earth Observation program. In Cannes, Thales Alenia Space is responsible for the Sentinel-1 satellites and a few of the others, too. The contractors include Airbus and many more. Sentinel-1B launches this week, making the first mission whole.