Population science is once more centre-stage, pushed by climate change, which raises worries about the impact so many billions have on the environment of the earth, and food-price spikes, which imply doubts about whether it will be possible to feed them all.
Diana Liverman, co-Director of the Institute of the Environment at the University of Arizona and co-Chair of the Future Earth design team.
The groups are Friends of the Earth, the Aviation Environment Federation, the National Society for Clean Air, and the Heathrow Association for the Control of Aircraft Noise.
The program administered by NASA, the National Oceanic and Atmospheric Administration, the National Science Foundation, and the State Department is a hands-on, primary and secondary school-based, science and education program that facilitates collaboration among students, teachers, and scientists around the world as they perform inquiry-based investigations of the environment and Earth systems.
WHITEHOUSE: Ask Dr. H: "How Can Kids Apply Their Ingenuity to Global Challenges?" | The White House
Bob Ward, policy and communications director for the Grantham Research Institute for Climate Change and the Environment in London, said the warming of the Earth's surface was unequivocal.
In short, I want to do something about the environment, because when I see the documentary of the "Planet Earth" by BBC, or the "Inconvenient Truth" by your former vice-president Al Gore, I was so touched.
At the Stockholm environment summit of 1972 - the world's first - and at the Earth Summit here in 1992, the activists' gatherings were acknowledged as the conscience of the meeting.
"Companies like Cairn and BP are desperate to pursue the last drops of oil on Earth, even if that means risking our environment and climate in the process, " Greenpeace said on its website.
"This idea that we have moved from an era of easy deflationary environment to one of inflation is correct, " said Jeffrey Sachs, economist and director of the Earth Institute at Columbia University.
As I have written about extensively, Silicon Valley is the top environment on planet Earth for fostering startups: So if you find yourself wearing the shoes of a Startup founder, and you are not in the Bay Area, you are operating at a disadvantage from day one.
With over 1100 active satellites currently operating in the near-Earth environment (many of them worth hundreds of millions of dollars), and an additional 2500 inactive satellites still orbiting around our planet, the savings could be substantial.
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Most of what we know about "habitability" -- the ability of an environment to host and support life -- has been studied under the very different conditions on Earth.
The theme of the 65th anniversary issue is "Literature and the Environment, " which could seem simply trendy had the editor not been active in the very origins of Earth Day.
This event is organized in partnership with CRAterre-ENSAG, the International Centre for Earthen architecture (School of Architecture of Grenoble, France), which has been working since 1979 towards the recognition of earth materials as a valid response to the challenges linked to the protection of the environment, the preservation of cultural diversity and the fight against poverty.
UNESCO: Detailview | United Nations Educational, Scientific and Cultural Organization
Many of the technologies that NASA develops to explore the universe and keep astronauts safe in the extreme environment of space have applications right here on Earth.
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There he found one of the poorest populations on earth, and an environment quickly degrading as hungry farmers tried desperately to cultivate rice in the eroding soil.
And Friends of the Earth referred to my speech on the environment as compelling, the most compelling made by a Conservative for a long time and I want my party to be seen like that, obsessed about those issues and we will be, that's the characteristic of my leadership.
BBC: News | BREAKFAST WITH FROST | Conservative leadership contender Iain Duncan Smith
Of course, the space environment is radically different from the one on Earth.
Panasonic is pledged to practice prudent, sustainable use of the earth's natural resources and protect our environment through the company's Eco Ideas programs.
Director of Friends of the Earth Scotland, Kevin Dunion, said the environment had been sidelined in the election campaign but would have to be addressed when the parliament started sitting.
The Television Trust for the Environment's (TVE) Earth Report - All of a quiver - will be broadcast on BBC World between 20-21 April 2007.
BBC: NEWS | Science/Nature | Climate threat has plants quivering
Andy Atkins, executive director of Friends of the Earth, said the road would cause more pollution, damage the environment and do little to boost the economy.
Environment Minister John Griffiths said welcomed the report, but Gareth Clubb, director of Friends of the Earth Cymru, believes ministers should be pressing the case for renewable energy harder.
Friends of the Earth expressed its "concern" over Sammy Wilson's appointment as environment minister.
Although there is no early prospect of a global shortage of any of the earth's resources, a larger population does change the earth and its environment, removing forests, cultivating land or building on it, and driving out other species, and that is itself a cause for legitimate concern.
The environment has been "put on the backburner by world leaders, " according to Kathleen Rogers, president of Earth Day Network.
The Environment Agency scheme includes a combination of hard defences, reinforced concrete walls with sheet metal cores and earth embankments.
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