5 December 2016, Climate Home, Fire bombs: Hobart lies in the path of climate disaster. Around the world, communities are living obliviously close to climate-driven fire disaster. In the first in a series of reports, Karl Mathiesen visits Hobart, Tasmania. Looking down on the Tasmanian capital of Hobart from Knocklofty – one of its surrounding hills – David Bowman describes a truly frightening scenario. A hot, northerly gale and rolling fireball turn the forest around us into a blast furnace. The oil-filled eucalyptus canopies explode. One by one, the hills around the city catch alight. Then with a great sweep the fire runs up the slopes of Mount Wellington. Chunks of burning w1ood are flung into the air and rain down on the city. Office buildings, churches, schools and homes (perhaps the one I grew up in) randomly burn. In all, he says, four or five suburbs are destroyed. That’s the catastrophe, Bowman says, that the residents of Hobart live blithely beside every summer. And the odds are steadily getting worse. Both on land, and in the atmosphere, humans are creating bigger and bigger problems for ourselves. This Climate Home series will examine a dangerous trend in three distinct but related landscapes – Australia, western North America and the Mediterranean. In each of these places, climate change adds what Bowman, a professor in fire ecology from the University of Tasmania, calls “the plus”: a dialling up of danger as weather patterns shift towards a more fire prone future. Read more here
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4 December 2016, University of Melbourne – Pursuit, A long climatic affair. The first extensive retrospective of our climate history has traced the human fingerprint on record-breaking hot temperatures as far back as the 1930s. In recent years climate scientists have been examining what role climate change has played in unusual extreme weather events such as Australia’s hottest summer in 2012-13 and recent heatwaves. But before now, no-one had looked at how far back in time we could go and still link weird weather and record-breaking climate extremes to our influence. Our study, published in Geophysical Research Letters, addresses the question of when exactly climate change started altering the influence of record hot years and summers in a way we can detect. We looked at five regions of the world, as well as the whole globe. Human-made climate change has been influencing heat extremes for decades, with many past records directly attributable to the effect we have had on the climate. We found the last 16 record-breaking hot years globally up to 2014 were made more likely because of climate change (we didn’t include 2015 – the current holder of the hottest year record – because we performed our analysis before the end of last year). Read More here
2 December 2016, Reuters, Biggest-Ever Coral Die-Off Reported on Australia’s Great Barrier Reef. Warm seas around Australia’s Great Barrier Reef have killed two-thirds of a 700-km (435 miles) stretch of coral in the past nine months, the worst die-off ever recorded on the World Heritage site, scientists who surveyed the reef said on Tuesday. Their finding of the die-off in the reef’s north is a major blow for tourism at reef which, according to a 2013 Deloitte Access Economics report, attracts about A$5.2 billion ($3.9 billion) in spending each year. “The coral is essentially cooked,” professor Andrew Baird, a researcher at James Cook University who was part of the reef surveys, told Reuters by telephone from Townsville in Australia’s tropical north. He said the die-off was “almost certainly” the largest ever recorded anywhere because of the size of the Barrier Reef, which at 348,000 sq km (134,400 sq miles) is the biggest coral reef in the world. Bleaching occurs when the water is too warm, forcing coral to expel living algae and causing it to calcify and turn white. Mildly bleached coral can recover if the temperature drops and the survey found this occurred in southern parts of the reef, where coral mortality was much lower. Read More here
2 December 2016, The Guardian, After 60 years, is nuclear fusion finally poised to deliver? “We are standing on the ground that could change the future of energy,” says engineer Laurent Pattison, deep in the reactor pit of the world’s biggest nuclear fusion project. Around him is a vast construction site, all aimed at creating temperatures of 150mC on this spot and finally bringing the power of the sun down to Earth. The €18bn (£14.3bn) Iter project, now rising fast from the ground under the bright blue skies of Provence, France, is the first capable of achieving a critical breakthrough: getting more energy out of the intense fusion reactions than is put in. “It is a bet that is very important for humanity,” says Johannes Schwemmer, the director of Fusion for Energy, the EU partner in the international Iter collaboration. “We need to get this energy once and for all.” The long allure of nuclear fusion is simple: clean, safe, limitless energy for a world that will soon house 10bn energy-hungry citizens. But despite 60 years of research and billions of dollars, the results to date are also simple: it has not delivered. Read More here