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Science for Environment Policy

15.03.2018
Obecné
Science for Environment Policy

 A service from the European Commission...

Kerbside waste-collection schemes may need optimisation, highlights Portuguese study
A new analysis of waste recycling systems in Portugal highlights where kerbside (edge of pavement) collection systems could be optimised, to decrease their environmental impact. In this case, researchers found that the kerbside system was less favourable economically and environmentally due to more packaging and more fuel consumption per tonne of waste, compared to a system where recyclable materials are deposited by residents in large containers. But the researchers suggest that measures such as re-usable boxes and efficient collection routes could help to mitigate the impact of kerbside collection. While there is an environmental impact from waste collection, processing and disposal, this study only focused on the collection phase.
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Dietary exposure to neonicotinoid-contaminated plant material poses risk to leaf-shredding invertebrates
Neonicotinoids are pesticides applied to plants to protect them from insects. The use of neonicotinoids may lead to contamination of aquatic environments through, among other routes, the input of contaminated plant material into waterways. While it is well established that direct exposure to contaminated water endangers aquatic invertebrates, scientists have now published findings indicating that dietary exposure through the consumption of contaminated plant material puts leaf-shredding species at increased risk. The researchers recommend that policymakers registering systemic insecticides (those whose active ingredients are transported throughout the plant tissues) consider dietary exposure, and its potential implications for ecosystem integrity, in addition to other exposure pathways.
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Reducing synthetic pesticide use on grapevines -- a review of methods
Disease-fighting microbes, insect-eating predators and mating-disrupting pheromones are among the tools listed in a new review of methods that can be used to reduce synthetic pesticide use on grapevines in Europe. Using these alternative methods can reduce the environmental and health risks associated with chemical pesticides, but further development is required to make them attractive to growers.
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