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Agriculture

Cork, Plastic, or Twist? The Cork Industry Tightens the Screws on Winemakers
July 23, 2010 08:52 AM - Leon Kaye, Triple Pundit

More wineries are moving towards plastic bottles and aluminum caps and away from cork stoppers. Some would say this is unfortunate for a host of reasons. Harvesting cork is an ancient practice that keeps a cluster of cork trees, which are almost entirely in Portugal and Spain, alive.

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Sunny with Some Spots
June 14, 2010 02:38 PM - Andy Soos, ENN

When observing the Sun, the most obvious visible features are usually its sunspots, which are well defined surface areas that appear darker than their surroundings because of lower temperatures. Sunspots are regions of intense magnetic activity where convection is inhibited by strong magnetic fields, reducing energy transport from the hot interior to the surface. The magnetic field causes strong heating in the corona, forming active regions that are the source of intense solar flares and coronal mass ejections. the number of such spots varies over time generally in a 11 year cycle. Right now the spots are mostly gone for about 2 years which is highly unusual and may portend dramatic solar events to come which will affect the whole earth.

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SPOTLIGHT

Trees a 'low-cost' solution to air pollution and biodiversity loss in cities

Editor, Ecologist
Native woods and trees in urban areas, including gardens, provide haven for wildlife, reduce air pollution, surface run-off and flooding Reversing the declining numbers of native trees and woods in cities would provide numerous benefits at 'relatively little cost', says a report from the Woodland Trust. As well as access to green space, the report, 'Greening the Concrete Jungle', says trees provide a wide range of free ecosystem services including reducing the risk of surface water flooding and improving air quality that could save millions in flood defence and healthcare costs.

COMMENTARY

A big thank you to all who took the ENN user survey

Roger Greenway, ENN
Thanks to all who took the time to take our user survey. We are analyzing the results and will consider some minor changes to ENN.com in the future. The results were overwhelmingly positive, so we are glad to know we are doing a pretty good job. Of course, there is always room for improvement. The results of the iPad drawing will be announced soon.

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