2 June 2016, The guardian, Spike in Alaska wildfires is worsening global warming, US says Report from US Geological Survey says northern wildfires must now be seen as significant driver of climate change, not just a side-effect. The devastating rise in Alaska’s wildfires is making global warming even worse than scientists expected, US government researchers said on Wednesday. The sharp spike in Alaska’s wildfires, where more than 5 million acres burned last year, are destroying a main buffer against climate change: the carbon-rich boreal forests, tundra and permafrost that have served as an enormous carbon sink. Northern wildfires must now be recognised as a significant driver of climate change – and not just a side-effect, according to the report from the US Geological Survey. “This is one of the surprises that we haven’t talked about much,” said Virginia Burkett, chief climate scientist at the USGS. “It has tremendous implications for the carbon that is locked up in Alaska soils and vegetation.” A record wildfire year – such as 2015 which was the worst in Alaska for a decade – had a measurable effect on the release of carbon dioxide and methane, which are the main drivers of climate change. “Our scientists found that the balance of carbon storage versus release in Alaska was strongly linked with wildfires,” Burkett said. “In years where there was high wildfire activity the net carbon balance declined dramatically, and then it would rebuild in the absence of fire.” Alaska is a far bigger storehouse for carbon than the lower 48 states, according to the USGS. The state’s boreal forests, peat-rich tundra, and permafrost hold about 53% of US carbon. Alaska accounts for about 18% of US land mass. Alaska currently absorbs about 3.7m tonnes of carbon a year, the USGS assessment found. But that vast storehouse of carbon has been breached by warming temperatures, thawing permafrost – and wildfire. Read More here
Monthly Archives: June 2016
2 June 2016, YALE Climate Connections, U.N., UCS Point to Risks to World Heritage Sites. Australia concerns lead to holding-back case study on Great Barrier Reef, so Union of Concerned Scientists posts it independently. Climate impacts seen posing risks to sites . . . and to tourism. Sometimes, too often in fact, it’s not what’s included in the text of a report that captures the attention. It’s what’s omitted from that report, often not mistakenly. That’s a lesson learned and re-learned in the public policy field, but apparently not really absorbed in many cases. Those who internalized the lessons from the early-70s Watergate scandal that led to President Nixon’s resignation know well that it’s the cover-up, more so than the initial offense, that is the real crime. Only slightly more recently, the original “Jaws” in 1975 taught a similar lesson, as the fictional Amity Island town council sought to silence the truth in an effort to protect its tourism financial interests. 
News Analysis and Commentary Advance now to a new report, “World Heritage and Tourism in a Changing Climate,” released May 26 by two United Nations agencies and the Union of Concerned Scientists, UCS. In a somewhat dual-personality report that at times seems as concerned tourism as with impacts of climate change, the report paints a dire image of 31 natural and cultural World Heritage sites in 29 countries around the world. Around the world, that is, save for Australia and its, ahem, rather important Great Barrier Reef (GBR), by any practical measure a worthy entry among top-ranking heritage and tourism sites. And clearly one with observed and serious impacts from rising ocean temperatures, increased acidification, and continuing carbon dioxide emissions. It ends up that the Australian government prevailed on the U.N. and its United Nations Educational, Scientific and Cultural Organization and United Nations Environment Program to omit any reference to GBR. Those Sydney folks must never have seen “Jaws.” Read More here Also access missing chapter here