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Written by Four Green Steps
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Friday, 19 April 2013 00:00 |
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Earth day is the name of the holiday that focuses on ways to celebrate that which all life that we know comes from—earth. It occurs every year on April 22 and started in 1970 in the United States when 20 million people participated in rallies celebrating nature and bringing to attention the environmental degradation that was going on at the time. John McConnell proposed the concept of Earth Day in 1969 at a UNESCO conference in San Francisco. In 2009, the United Nations designated April 22 as International Mother Earth Day by a consensus resolution, effectively making it a worldwide holiday.
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Written by David Olson, Four Green Steps
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Wednesday, 17 April 2013 14:52 |
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Redwoods are spectacular life forms, creating canopied, shaded, and moist environments for an entire ecosystem full of rare and unusual species. These fog-loving trees have been around a very long time and have survived eras and epochs as climates and species have come and gone. Today, after a century of logging only 5% of the original forest remains (~100,000 acres) and logging is still allowed on 82% of its former range. A few big trees and smaller groves have survived the juggernaut of logging, but the thriving ecosystems mature redwood forests once supported are largely gone from the landscape.
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Written by David Olson, Four Green Steps
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Friday, 12 April 2013 00:00 |
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Much good conservation work has gone into identifying corridors of natural habitats winding across landscapes to higher, cooler latitudes that, if protected, will help species move to new regions with more favourable conditions as climates change. If these corridors are adequately protected, a few wide-ranging species will benefit and a respectable amount of good wildlands will have been protected. We all should support these efforts for these reasons alone.
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Written by David Olson, Four Green Steps
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Wednesday, 10 April 2013 09:13 |
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Plastics are here to stay, literally and figuratively. Like fire, plastics are an exceptionally useful tool that humans are unlikely to part with despite some negative qualities. While plastics may not burn down your house, they have been implicated as sources of toxic compounds in additives and decomposition products, their production labelled as an unsustainable use of natural resources (for example, fossil fuels) and a generator of greenhouse gases, and the vast majority of plastics do not biodegrade over time giving them an enormously long life-span of hundreds to thousands of years, letting them clog landfills and become the diagnostic pottery of our age―the Plastocene―in future archaeological digs. These are all problems, but the single-greatest contribution of plastics to the degradation of our biosphere―our living world―is the massive mortality of marine life that is directly attributable to plastics being dumped into the ocean or being transferred from land by rivers.
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