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This is Planet Earth Narrated by Sir David Attenborough Planet Earth was the ground-breaking series that explored the wild and beautiful parts of our planet like never before. Via pdjmoo, Sakis Koukouvis 
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From
vimeo
A truly powerful image generates questions. The incredible night photos and time-lapse movies NASA has been sharing with us provoke questions about our planet.
Awesome movie!
Via Patrice AFRIAT, Guillaume Decugis, Sakis Koukouvis
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From
phys
If you were to take all of the water on Earth — all of the fresh water, sea water, ground water, water vapor and water inside our bodies — take all of it and somehow collect it into a single, giant sphere of liquid, how big do you think it would be? Via Sakis Koukouvis
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Green groups around the world are turning to social networking to drive their campaign for Earth Hour on Saturday, when lights are turned off for an hour to signal concern about global warming.But here's the irony. With every email, every tweet, every appeal watched on YouTube or "liked" on Facebook, environmentalists are stoking the very problem they want to resolve. Each time we network, we emit carbon dioxide (CO2) through the fossil fuels which are burned to power our computers and the servers and databanks that store or relay our message. Via Sakis Koukouvis
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Όταν ένας πλανήτης στο μέγεθος του Άρη συγκρούστηκε με τη Γη πριν 4,5 δισεκατομμύρια χρόνια, εκτόξευσε από τη Γη ένα κομμάτι που θα γινόταν το φεγγάρι μας. Επίσης, έστρεψε λίγο τη Γη προς το πλάι, έτσι ώστε ο πλανήτης μας να περιφέρεται γύρω από τον ήλιο με μια μικρή κλίση. Αυτές ήταν ασφαλώς δύο τεράστιες αλλαγές. Σήμερα, κατά τη διάρκεια του έτους, η ποσότητα του φωτός του ήλιου που χτυπά τα δύο ημισφαίρια του πλανήτη μας μεταβάλλεται, καθώς αυτά κάνουν μικρές ταλαντεύσεις μπρος και πίσω – πρώτα το νότιο ημισφαίριο κλίνει προς τον ήλιο, και μετά το βόρειο. Κι αυτός ο κύκλος οδηγεί στην εποχική διακύμανση της Γης. Via secret876, Sakis Koukouvis
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A mysterious phenomenon detected by space probes has finally been explained, thanks to a massive computer simulation that was able to precisely align with details of spacecraft observations. Via Sakis Koukouvis
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A NASA-led science team has created an accurate, high-resolution map of the height of Earth's forests. (RT @NASAJPL: Where in the world are the tallest trees? Via José Gonçalves, Sakis Koukouvis
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NASA has released a video that highlights where snow graced the Earth every month for over the past ten years. Via Sakis Koukouvis
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The Known Universe takes viewers from the Himalayas through our atmosphere and the inky black of space to the afterglow of the Big Bang. Every star, planet, ... Via Sakis Koukouvis
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From
vimeo
This is an animation done by Globaïa for the short film 'Welcome to the Anthropocene' commissionned for the Planet Under Pressure conference. Via Sakis Koukouvis
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Earth Hour, the largest environmental event in history!
More than 5,200 cities and towns in 135 countries worldwide switched off their lights for Earth Hour 2011 alone, sending a powerful message for action on climate change. It also ushered in a new era with members going Beyond the Hour to commit to lasting action for the planet. Without a doubt, it’s shown how great things can be achieved when people come together for a common cause.
Earth Hour 2012 will be held on Saturday March 31 at 8.30pm-9.30pm wherever you are in the world.
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From
io9
How do we build a world that's less dependent on fossil fuels? One solution is right under your feet. Compressed Air Energy Storage (CAES) is a very boring name for a very awesome system that turns the Earth itself into a giant battery. Via Sakis Koukouvis
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Revel in Earth as Art. Make sure you watch in glorious 1080p. Landsat missions were launched for scientific purposes, but they make up one of the most awe-inspiring collections of beautiful images of our home planet. Via Sakis Koukouvis
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From
edte
"Google Earth was one of the very first pieces of software that I began to create educational resources with. As I put it in one of my first ever blog posts 5 years ago: ”This app won me over straight away.” The engaging environment really struck a chord with me and I remember fondly my first forays into using it to support learning. It has developed so much over the years...." Via Anne Whaits
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