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More About Threshold Limit Values

2013-05-28 19:38:00| Electrical Construction & Maintenance

To more fully understand how threshold limit value (TLV) relates to the work you're doing, here are some examples of where various industrial chemicals fit on the spectrum: read more

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Greenhouse Gases Hit Threshold Unseen in 3 Million Years

2013-05-10 13:11:00| Climate Ark Climate Change & Global Warming Newsfeed

Bloomberg: The amount of carbon dioxide in the atmosphere surpassed a threshold not seen for 3 million years, exceeding 400 parts per million for the first time since researchers began tracking the data. The main greenhouse gas blamed for global warming averaged 400.03 parts per million at the U.S. National Oceanic and Atmospheric Administrations Mauna Loa monitoring station in Hawaii on May 9, the agency said yesterday. The level is considered a landmark by scientists and environmentalists, who say...

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Scientists alarmed as CO2 passes threshold

2013-05-10 07:00:00| Climate Ark Climate Change & Global Warming Newsfeed

Politico: The amount of heat-trapping carbon dioxide in the atmosphere passed a symbolic milestone this week, scientists announced Friday, reaching levels that havent prevailed on the Earth since long before human civilization began. The long-expected announcement by the National Oceanic and Atmospheric Administration that CO2 concentrations had finally hit 400 parts per million at a key measuring station in Hawaii means little by itself. But its a sign that time is slipping away to head off or lessen...

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Bonn climate talks kick off with stark warning over dangerous carbon threshold

2013-04-29 11:53:00| Climate Ark Climate Change & Global Warming Newsfeed

BusinessGreen: The latest round of international climate change talks commenced today with the now perennial warning about the need for greater urgency from governments as they battle to curb global greenhouse gas emissions. Speaking at the opening of the annual week of talks, which are intended to lay the ground work for the UN's next major climate summit in Poland later this year, the head of the UN's climate change secretariat, Christiana Figueres, warned diplomats they "must do more and do it faster". She...

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BlackRock's holding in UPM has gone above the threshold of 5 per cent

2013-04-18 19:35:39| Paper - Topix.net

Kymmene Corporation Stock Exchange Release 18 April 2013 at 17.00 EET UPM-Kymmene Corporation has on 18 April 2013 received an announcement under Chapter 9, Section 5 of the Securities Markets Act, according to which BlackRock, Inc.'s indirect holding in UPM has gone above the threshold of 5 per cent on 17 April 2013.

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