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Founded by the organizers of the first Earth Day in 1970, Earth Day Network (EDN) promotes environmental citizenship and year round progressive action worldwide. Earth Day Network is a driving force steering environmental awareness around the world. Through Earth Day Network, activists connect, interact, and have an impact on their communities, and create positive change in local, national, and global policies. EDN's international network reaches over 17,000 organizations in 174 countries, while the domestic program engages 5,000 groups and over 25,000 educators coordinating millions of community development and environmental protection activities throughout the year. Earth Day is the only event celebrated simultaneously around the globe by people of all backgrounds, faiths and nationalities. More than a half billion people participate in our campaigns every year.

GeoEye-1, designed and built by General Dynamics Advanced Information Systems, is the world's highest resolution commercial imaging satellite. Designed to take color images of the Earth from 423 miles (681 kilometers) in space and moving at a speed of about four-and-a-half miles (seven kilometers) per second, the satellite will make 15 earth orbits per day and collect imagery with its ITT-built imaging system that can distinguish objects on the Earth's surface as small as 0.41-meters (16 inches) in size in the panchromatic (black and white) mode. The 4,300-pound satellite will also be able to collect multispectral or color imagery at 1.65-meter ground resolution. While the satellite will be able to collect imagery at 0.41-meters, GeoEye's operating license from NOAA requires re-sampling the imagery to half-meter resolution for all customers not explicitly granted a waiver by the U.S. Government.

September 23 this year marks an unfortunate milestone: the day humanity will have used all the resources nature will generate this year, according to Global Footprint Network data. Earth Overshoot Day marks the day when humanity beings living beyond its ecological means. Beyond that day, we move into the ecological equivalent of deficit spending, utilizing resources at a rate faster than what the planet can regenerate in a calendar year. Globally, we now now require the equivalent of 1.4 planets to support our lifestyles. But of course, we only have one Earth. The result is that our supply of natural resources -- like trees and fish -- continues to shrink, while our waste, primarily carbon dioxide, accumulates.

The Discovery Channel has developed a series of tools to help visualize the impact of global climate changes around the world.

Of the challenges surrounding global climate change, communicating its potential impact and increasing public awareness of the scientific research undertaken to monitor and model its effect on society are quite pressing. Today we are pleased that the British Government is launching with Google Earth Outreach, and in collaboration with the Met Office Hadley Centre and the British Antarctic Survey, new layers in Google Earth that utilize geographical information to show how climate change will affect our planet and its people.

To start with, the game is completely FREE (I love that word). Better than that, this is a perfect game simulation for middle school and high school teachers looking to provide a reflective learning experience for students interested in how the environment is affected by choices made by local or state government concerning energy production and use. It combines the addictiveness of Lemonade Stand with the deep control and management tools of SimCity. With only 150 turns to create a thriving economy and growing population based on realistic environmental practices, I thought I would be presented with simplistic choices, and be railroaded into some pre-scripted "save the Earth, reduce energy consumption", but I was happily wrong.

As 22nd April is "Earth Day", I have proposed to a group of students to publish a post about ENVIRONMENT. The students´ posts will be published during the month of April in their blogs at http://www.pageflakes.com/anamariacult . On this specific day, people all over the world will be writing, reading and discussing about environmental problems and solutions. I´ve come across several videos and sites related to the topic and would like YOU to have a look at them.

During the week of Earth Day (April 22), be part of a unique national effort to capture our changing world. Anytime from Tuesday April 22 through Tuesday April 29, take a photograph of something that is changing in your local environment. It could be a change occurring in your backyard, outside your school, in a local park, or off in the distance toward the horizon. Then, research and write a scientific explanation (400 words or less) that answers the following questions:

Eight crazy experiments bold enough to change the world.

The prospect that human-driven warming is poised to push Earth past dangerous tipping points is now a cornerstone of many environmental campaigns. But what tipping points are well established and which ones remain what Stephen W. Pacala of Princeton University has called "the monsters behind the door"? I have a piece in the Week in Review section exploring these concerns. Given the limits on space in print, I thought it worthwhile to add some additional voices here and encourage further discussion. The bottom line? A growing effort to clarify such risks has yielded what amounts to the same message climate experts have been conveying for more than two decades: More emissions of greenhouse gases raise the odds of trouble.

Read the Promotional Flyer for details on the 24 hour Webcast! What: This is intended to be a 24 hour long conversation about the health of our planet. We hope to have participants from around the world moderate an hour long conversation. This conversation can be planned at the discretion of the moderator(s) for that hour. Potential guests could include local leaders, student environmental advocates, scientists/engineers, politicians, grassroots leaders, etc. When: Tuesday, April 22nd 2008. We will follow the 24 hour GMT day Why: The goal is to help our participants (both listeners and moderators) form a more global perspective on the issue of sustainability and the health of the earth.

The National Oceanic and Atmospheric Administration (NOAA) have established that "Environmental literacy" is integral to NOAA's mission. It has a central role in its strategic plan by recognizing that "all of NOAA's long-term goals ultimately depend on the public's capacity to understand and react to Earth system science and ecosystem conditions." NOAA's Climate Program Office Education and Outreach team are developing the climate part of NOAA's environmental literacy priority through a partnership with NOAA's Office of Education, outside agencies and organizations. The Climate program office is beginning the process of developing the climate literacy essential principles and fundamental concepts framework.

Overarching and Enduring Understandings Addressed in Climate Change Unit: Natural Cycles of Planetary Change Change is Detection through Pattern recognition Interlocking relationship between the Earth's Systems Overarching Questions Addressed in Greenland Melting unit: What are the results of global warming? Can the triggers of the Little Ice Age happen again? What are the methods that scientists use to study Earth processes? What are the harbingers and fingerprints of global processes? What are the drivers of climate? How are glaciers and ocean currents related?

Challenging warming skeptics who note that parts of Antarctica have gotten colder, researchers on Wednesday reported that overall the continent has gotten warmer since the 1950s, and that even those colder spots would be warmer were it not for the ozone hole. "Contrarians have sometime grabbed on to this idea that the entire continent of Antarctica is cooling, so how could we be talking about global warming," said study co-author Michael Mann, director of the Earth System Science Center at Penn State University. "Now we can say: No, it's not true ... It is not bucking the trend."

Scientists have long established that the Antarctic Peninsula is one of the most rapidly warming spots on Earth. Now, new research using detailed satellite data indicates that the changing climate is affecting not just the penguins at the apex of the food chain, but simultaneously the microscopic life that is the base of the ecosystem.

The Supreme Court two years ago directed the EPA to decide whether greenhouse gases, especially carbon dioxide from burning fossil fuels, pose a threat to public health and welfare because they are warming the Earth. If such a finding is made, these emissions should be regulated under the Clean Air Act, the court said.

They'd come from the Arctic permafrost, the African plains and the jungles of Asia, but after five days of meeting, conferencing, dialoguing, blessing, praying and celebrating, the 400 attendees of the Indigenous People's Global Summit on Climate Change did not reach consensus on the how to move forward to combat the forces of climate change. Speakers over the week emphasized how much indigenous people have in common, whether they are from Borneo or Barrow, saying that they share a spiritual connection to the Earth, concern for plants and animal life and sense that for more than a century they have been left out of the decision-making process that is today eating away at the ground beneath their feet. They bear the brunt of erosion, changing migration patterns, rising sea levels, diminishing sea ice, drought, polluted air and water. But their common ground did not guarantee agreement on how to move forward.

The effort responds to and builds upon the leadership of Pope Benedict XVI, the U.S. Catholic Bishops, and many Catholic religious communities who believe that our response to climate change must be guided by the exercise of prudence, the pursuit of the common good and a priority for the poor. Pope Benedict most recently referenced "troubling climate change" in his Easter message to the world and has insisted that, "Before it is too late, it is necessary to make courageous decisions that can recreate a strong alliance between humankind and the earth. A decisive 'yes' is needed to protect creation and also a strong commitment to invert those trends which risk leading to irreversibly degrading situations."