The following table summarizes the differences pertinent to security between physical space on our planet and cyberspace.
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According to the authors of a new study, this will "spell a definite end to life on our planet".
Less than two percent of the freshwater on our planet exists in a readily usable form for human uses.
Scientists said most of the latest storm should miss the Earth, meaning it will produce minimal effects on our planet.
For now, we should because this movie, Inconvenient Truth, is a documentary about the threat that global warming pose on our planet.
After all, a single human brain has more switches than all of the computers and routers and internet connections on our planet.
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"We are running out of room on our planet with the amount of waste we produce, " says Tim Lesko, founder and president of Greenco Environmental.
Pictures of the icy satellite Enceladus suggest its surface splits and spreads apart - just like the ocean floor on our planet splits to create new crust.
The chemistry of Titan is thought to be similar to that of Earth 4.6 billion years ago and could provide clues to how life first arose on our planet.
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This revolution will reinvent our economic system, to ensure the sustainability of life on our planet by developing a world of prosperity for all in a low carbon economy.
In addition, they stressed that because our global village is growing more complex and competitive by the day, our ability to adapt to this environment will be vital in the future for every individual living on our planet.
Many sceptics will undoubtedly question why any country would choose to invest in future space exploration, including a manned mission to Mars, while there are so many unsolved problems on our planet, from HIV to malaria to poverty.
Taking place on the beautiful Korean island of Jeju, the Congress brings together a fascinating mix of people from all parts of the world and from all sectors and professions to explore the challenges and opportunities for conserving life on our planet.
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Depending on whether an object hitting us were a fast-moving comet or a slower asteroid, it would need to be about 2.5 miles across to set in motion the process of reducing light and destroying photosynthesis, without both of which Homo sapiens and the other forms of life on our planet could not survive.
Finding microbes in the frigid, dark waters of the lake could help scientists better understand the origins of life on our own planet and the potential environments in which it could arise on other planets.
MSN: Mission to drill into buried Antarctic lake hits a snag
Politicians, newscasters and pundits are united around an idea I find wacky: that we can grow the economy forever on our finite planet.
The blog posts and photos afford readers a glimpse of life on the massive orbiting outpost, and by shining a light on Earth from space, Garan and his colleagues hope to mobilize people to improve the conditions on our fragile planet.
Micro-organisms on Earth are much more common in fresh water than acidic water, and so rather than Mars just having been a potential haven for some extreme forms of life, Curiosity's discovery means that Mars had -- and still preserves evidence of -- environments that were habitable for an enormous variety of micro-organisms that thrive on our own planet.
Given our dependence on the communication systems of our planet, both satellite- and ground-based, this is not simply a theoretical worry.
Today they shared the stage along with elected officials and others that have long been proponents of today's policy in celebrating something that I said -- as I said before, will reduce our dependence on foreign oil, make our planet cleaner, and is a win for everybody involved.
In addition to containing the vast majority of the liquid freshwater on the surface of our planet, humans use lakes for more purposes than any other type of water system.
What benefits our thinking on this planet earth, once we are self aware is what is more rational and consistent, this is how we try to fashion level playing field for our future generations.
Feel the heat generated by the engines of a truck or car traveling down Broadway, and just multiply it by a billion, which according to Ward's Auto, is the number of motor vehicles now on the roads of our planet.
Eons ago these messages were delivered by the genes of our vertebrate ancestors on this planet.
Mark Lynas' Six Degrees: Our Future on a Hotter Planet has already been turned into a TV programme and is now almost certain to experience a jump in sales.
Still, we keep hearing that scientists who challenge claims that our planet is on fire fueled by fossil energy are lackeys of a heavily-funded disinformation campaign underwritten by Big Oil, Big Coal, and other Big Spenders.
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It seems we keep hearing that scientists who challenge claims that our planet is on fire fueled by fossil energy are lackeys of a heavily funded disinformation campaign underwritten by Big Oil, Big Coal, and other Big Spenders.
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On board PANGAEA, Mike is leading the Young Explorers Program (YEP), an ongoing sailing expedition around the world that exposes teenagers to real-life, harsh environment adventures, while at the same time giving them a personal view and the ability to act on important environmental issues around our planet.
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If General Motors is the most profitable corporation on the planet, that ensures our job and income security.
Our security, our economy, the future of our planet all depend on it.
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