Category Archives: Environmental hazards

Skirting the Issue

By Geoff Wadge During a major explosive volcanic eruption a set of three main processes transfers mass and heat from the solid earth to the atmosphere. These three processes are: a gas thrust (jet) extending up from the volcanic vent, … Continue reading

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Playful floods

By Sanita Vetra-Carvalho Flooding is no fun for those who have been affected by it. However, being able to ‘experience’ flooding in some sense is one of the best ways to communicate flood risks as well as the potential solutions to … Continue reading

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Estimating the risks of climate change: what are the effects of climate policy?

By Nigel Arnell I am writing this from Beijing, where the 13th National People’s Congress has just reaffirmed the Chinese commitment to control future emissions of greenhouse gases and meet the aspirations of the Paris Agreement on Climate Change. This … Continue reading

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Is the Montreal Protocol really working?

By Michaela Hegglin The Montreal Protocol, which celebrated its 30th birthday last year, is an international treaty established in 1987 to protect the ozone layer from human-made ozone depleting substances. The Montreal Protocol has been hailed as the most effective … Continue reading

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Stronger windstorms and higher wind risk in a warmer climate

By Oscar Martínez-Alvarado The most devastating type of winter storms to affect north-west Europe are characterised by a descending jet of air, known as a sting jet, that can result in strong, localised surface winds and wind gusts in a region … Continue reading

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Stronger turbulence causes a stir

By Paul Williams and Luke Storer Our new study calculating that climate change will strengthen aviation turbulence has caused a stir on social media. Most of the online comments about the article have been positive – albeit expressing a little anxiety at the … Continue reading

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Heat waves of the past decade in Chinese mega-cities: a quick review

By Ting Sun Although cities are often already warmer than their rural surroundings (the well-known “urban heat island” effect), heat waves (HWs), excessively hot periods, will not only enhance the urban and rural temperatures but also exacerbate the contrast between … Continue reading

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The Role of Synoptic Meteorology on UK Air Pollution

By Chris Webber In the past year the issue of air pollution within the UK has been elevated, driven by the loss of life that it causes (in 2013 > 500,000 years of UK lives lost due to air pollution … Continue reading

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Responding to the threat of hazardous pollutant releases in cities

By Denise Hertwig High population density and restricted evacuation options make cities particularly vulnerable to threats posed by air-borne contaminants released into the atmosphere through industrial accidents or terrorist attacks. In order to issue evacuation or sheltering advice to the … Continue reading

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Why has there been a rapid increase in heat-related extremes in Western Europe since the mid-1990s?

By Buwen Dong In the last few decades, Europe has warmed not only faster than the global average, but also faster than expected from anthropogenic greenhouse gas increases (van Oldenborgh et al., 2009). With the warming, Europe experienced record-breaking heat … Continue reading

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