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Locals Rule! Local Adaption to Changing Climate is the Only Option for Most Species Print E-mail
Written by David Olson, Four Green Steps   
Friday, 12 April 2013 00:00

Climate_Change__adaptionMuch 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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Plastic Vs. Earth Print E-mail
Written by David Olson, Four Green Steps   
Wednesday, 10 April 2013 09:13

fishing2Plastics 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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Environmental Risk Management, Life Cycle Analysis Print E-mail
Written by Four Green Steps   
Friday, 05 April 2013 00:00

life_cycleTo manage the environmental impact of chemicals and products in the society i.e. to reduce and avoid hazardous effects of metal or different chemical substances and to reduce the adverse environmental impact of products throughout their entire life cycle on the environment and human health, the following methods are needed: Environmental risk management, Risk Assessment (RA) and life cycle analysis or assessment (LCA).

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Bisphenol A: What is this Crap Doing in My Food Print E-mail
Written by Four Green Steps   
Monday, 01 April 2013 00:00

B_AIf you read the labels of certain products you may have noticed that some of them say “BPA free”. These are what you should be looking for, as many products that use plastic in their packing (such was water or soda bottles) contain Bisphenol A, commonly known as BPA. It is becoming increasingly evident that BPA is not good for us, and several countries have reacted by banning it. However the US has only banned it in baby bottles, so it is something that you still need to be watchful for.

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