11 October 2017, Carbon Briefing, Geoengineering: Scientists in Berlin debate radical ways to reverse global warming. Research scientists, policymakers and ethicists gathered in Berlin this week to discuss the emerging field of “climate engineering” and what it could mean for the planet. Climate engineering, also known as geoengineering, is a term used to describe an array of technologies – many of which remain hypothetical – for altering the global climate in order to lessen the effects of climate change. The four-day conference has been organised by the Institute for Advanced Sustainability Studies (IASS) in Potsdam, Germany, and includes speakers and participants from across the world, including Japan, Jamaica, the US and India. Tuesday Tuesday’s proceedings kicked off with talks aimed at bringing the audience up to speed with the latest research into the two main categories of geoengineering technologies: carbon dioxide removal (CDR) and solar radiation management (SRM). First up was Dr Naomi Vaughan, a researcher from the Tyndall Centre for Climate Change Research at the University of East Anglia. Her talk touched on recent research into a variety of CDR technologies, including biomass energy carbon capture and storage (BECCS), soil carbon sequestration and reforestation projects, and how important these techniques could be to meeting the goals of the Paris Agreement. She told the conference: Read More here
Category Archives: Impacts Observed & Projected
29 September 2017, Carbon Brief, Analysis: What does revised methane data mean for the Paris Agreement? A study released today finds that global methane emissions from agriculture are much larger than previous estimates have suggested. Revised calculations find that methane emissions from livestock in 2011 were 11% higher than modelled estimates based on data produced in 2006 by the Intergovernmental Panel for Climate Change (IPCC). In response, media outlets including the BBC Radio 4 Today programme and Agence France-Presse (AFP) released reports suggesting that the findings could mean that it will be harder for countries to meet the goals of the 2015 Paris Agreement. Carbon Brief spoke to the authors of the new study, as well as scientists from the Priestley International Centre for Climate at the University of Leeds, and asked them to analyse these claims. What did the new study find? Methane is a potent greenhouse gas and the second biggest contributor to human-caused global warming after carbon dioxide. Livestock produce large amounts of methane as part of their normal digestive process, largely through passing wind. Also, when the animal manure is stored or managed in lagoons or holding tanks, more methane is released into the atmosphere. The extent to which methane emissions from agriculture could contribute to future global warming has been examined by international scientific bodies including the Intergovernmental Panel on Climate Change (IPCC) and the US Environmental Protection Agency (EPA). Read More here
26 September 2017, The Conversation, How TV weather presenters can improve public understanding of climate change. A recent Monash University study of TV weather presenters has found a strong interest from free-to-air presenters in including climate change information in their bulletins. The strongest trends in the survey, which had a 46% response rate, included: + 97% of respondents thought climate change is happening; + 97% of respondents believed viewers had either “strong trust” or “moderate trust” in them as a reliable source of weather information; + 91% of respondents were comfortable with presenting local historical climate statistics, and just under 70% were comfortable with future local climate projections; and + 97% of respondents thought their audiences would be interested in learning about the impacts of climate change. According to several analyses of where Australians get their news, in the age of ubiquitous social media TV is still the single largest news source. These three factors – trust, the impartial nature of weather, and Australian’s enthusiasm for the weather – puts TV presenters in an ideal position to present climate information. Such has been the experience in the US, where the Centre for Climate Change Communication together with Climate Matters have partnered with more than 350 TV weathercasters to present simple, easy-to-process factual climate information. In the US it is about mainstreaming climate information as factual content delivered by trusted sources. The Climate Matters program found TV audiences value climate information the more locally based it was. Read More here
20 September 2017, The Conversation, Vietnam’s typhoon disaster highlights the plight of its poorest people. Six people lost their lives when Typhoon Doksuri smashed into central Vietnam on September 16, the most powerful storm in a decade to hit the country. Although widespread evacuations prevented a higher death toll, the impact on the region’s most vulnerable people will be extensive and lasting. Government sources report that more than 193,000 properties have been damaged, including 11,000 that were flooded. The storm also caused widespread damage to farmland, roads, and water and electricity infrastructure. Quang Binh and Ha Tinh provinces bore the brunt of the damage. Central Vietnam is often in the path of tropical storms and depressions that form in the East Sea, which can intensify to form tropical cyclones known as typhoons (the Pacific equivalent of an Atlantic hurricane). Typhoon Doksuri developed and tracked exactly as forecast, meaning that evacuations were relatively effective in saving lives. What’s more, the storm moved quickly over the affected area, delivering only 200-300 mm of rainfall and sparing the region the severe flooding now being experienced in Thailand. Doksuri is just one of a spate of severe tropical cyclones that have formed in recent weeks, in both the Pacific and Atlantic regions. Hurricanes Harvey, Irma and, most recently, Maria have attracted global media coverage, much of it focused on rarely considered angles such as urban planning, poverty, poor development, politics, the media coverage of disasters – as well as the perennial question of climate change. Disasters are finally being talked about as part of a discourse of systemic oppression – and this is a great step forward. Read More here