zpravodajství životního prostředí již od roku 1999

Articles from Science for Environment Policy

27.09.2013
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Articles from Science for Environment Policy

A service from the European Commission..

Low toxic heavy metal risk for the average Spanish consumer of seafood
A new study assessing the levels, and potential health risk, of toxic heavy metals in market-bought fish and shellfish in Spain has found that they are generally below European Commission regulatory limits, and that these products are therefore safe to eat for the average consumer in Spain. However, for high level consumers of specific fish species, toxic element levels could pose a risk to health.
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Understanding environmental consequences of population growth and consumption
Interactions between population growth, consumption and the use of natural products and services have created an unsustainable pressure on the environment. New research has provided a detailed investigation into the relationships between these three trends, providing insight into how to alleviate these pressures. It concludes they cannot be addressed by market mechanisms or technological advances alone.
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Agriculture can be powered by renewable energy sources
Some agricultural activities, such as irrigation, could be powered by renewable sources, a new study indicates. Farm machinery could also be renewably-powered, but the machinery would need to be adapted to use renewable electricity, instead of liquid fuel.
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New tool to make waste collection routes more efficient
Significant savings on mileage and vehicle costs can be achieved by using computer optimisation to plan waste collection routes, new research suggests. When applied to a case study of cooking oil recycling in Portugal, it was found that the technique could lead to a reduction of 13% in annual distance travelled and a fleet hiring cost reduction of 11%.
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High-yield crops have curbed agricultural land expansion, but care needed to avoid negative biodiversity effects
The widespread use of higher-yielding improved varieties of crops as part of the `Green Revolution´ has averted the conversion of between 18 to 27 million hectares of forests, woodlands and pastures in the period 1965 to 2004, according to a recent study. However, its authors caution that the relationship between these crops and land use change is complex, and good governance is needed to protect biodiversity from future expansion of agricultural land.
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