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Tree removal permit required for trees on all private properties

2014-08-08 16:43:15| PortlandOnline

When will I need a permit to remove a tree on private property under the new tree code?

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Sunderbans trees losing capacity to absorb CO2?

2014-08-04 16:00:00| Climate Ark Climate Change & Global Warming Newsfeed

Press Trust of India: The vast mangrove forest in the Sunderbans is fast losing its capacity to absorb carbon dioxide, one of the main greenhouse gases, from the atmosphere due to rise in the salinity of water, rampant deforestation and pollution, a study has found. The mangrove forest, marsh grass, phytoplanktons, molluscus and other coastal vegetation in the world's largest delta are the natural absorbers of carbon dioxide (CO2), according to the study. The stored carbon in the plants is known as "Blue Carbons"....

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Title 11 Trees

2014-08-01 16:47:49| PortlandOnline

Read the new tree code, which goes into effect January 2, 2015

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Trees Save Lives and $7 Billion in Health Costs Annually, Forest Service Finds

2014-07-28 20:02:00| Climate Ark Climate Change & Global Warming Newsfeed

Environment 360: Trees are saving more than 850 human lives each year and preventing 670,000 cases of acute respiratory symptoms in the U.S., according to the first broad-scale estimate of trees' air pollution removal by U.S. Forest Service researchers. Looking at four common air pollutants -- nitrogen dioxide, ozone, sulfur dioxide, and particulate matter with a diameter less than 2.5 microns -- researchers valued the human health benefits of the reduced air pollution at nearly $7 billion annually in a study published...

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Trees Reduce Air Pollution, Respiratory Problems

2014-07-28 18:06:00| Climate Ark Climate Change & Global Warming Newsfeed

Nature World News: Trees are nature's answer to diminishing air pollution, as well as reducing respiratory problems for the human population, according to US Forest Service scientists and collaborators behind a new study. Their broad-scale estimates concluded that trees are saving more than 850 human lives a year and preventing 670,000 incidents of acute respiratory symptoms - and that's just by improving air quality less than one percent. Not to mention that trees can help save $7 billion a year in health costs...

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