climate change

climate change

climate change

Spain and extreme weather events: the Health and Climate Change Observatory needs to be set up as a matter of urgency

On the eve of an episode of unusually high temperatures for this time of year, it is time to take stock of the summer we have experienced, characterised by a succession of extreme weather phenomena in the form of heat waves, drought and torrential rains. The seriousness and complexity of these problems and their repercussions in many areas, especially on health, make it urgent to set up the Health and Climate Change Observatory approved last July, with a stable and independent structure, if the health of the current and future population is to be effectively protected.

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Reactions: Study blames climate change and other human factors for severe flooding in Libya and Greece

Las lluvias torrenciales caídas en Libia hace dos semanas fueron 50 veces más probables por el calentamiento global provocado por la acción humana. Algo similar ocurría con las lluvias caídas en Grecia, Bulgaria y Turquía, que fueron 10 veces más probables por el cambio climático, según concluye un estudio de atribución rápido de la Word Weather Attribution (WWA). La investigación apunta a que la tragedia en Libia se agravó por otros factores humanos, como construcciones en llanuras inundables y presas en mal estado. Los autores también analizaron las inundaciones registradas en España a principios de septiembre y concluyeron que precipitaciones tan intensas se esperan una vez cada 40 años. 

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Reaction: climate change threatens half of Europe's ski resorts

The projection of a 2 °C rise in temperatures due to climate change would put 53 % of ski resorts in Europe, including Spanish resorts, at serious risk due to lack of snow. The percentage would rise to 98 % if the increase were 4 °C, according to the conclusions of a study published in the journal Nature Climate Change. The use of artificial snow on 50 % of a resort's surface would reduce the percentage of resorts at risk by approximately 25 %, although it would increase energy expenditure and carbon emissions.

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Researching the health effects of high temperatures goes beyond estimating deaths

Counting deaths attributable to the effects of high temperatures is basic as a public health surveillance tool, but it should not become the only research objective. It is necessary to know why the population in some places adapts better than others to heat waves, what variables influence them, and to modify them when possible.

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Addressing chronic thirst in times of climate crisis

With the prolonged meteorological drought we find ourselves in, we are focusing too much on climate as its cause, while there is a lack of debate about the real problem: chronic water demand. It is necessary to rethink consumption models with all the actors of society and the competent administrations. A future adapted to climate change must address drought by prioritizing the restoration of our water systems and questioning the current development model.

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Sixth-generation wildfires: what they are, how climate change affects them and ways to prevent them

Rising temperatures, droughts, heat waves and abundant untreated material in forests are the perfect cocktail for fires to break out. When they are beyond the control of firefighting services - because of their intensity, speed and unpredictability - we speak of mega-fires or sixth generation wildfires, a phenomenon that is not new but whose frequency could increase due to rural abandonment and climate change. Some experts have thus described the fire in Tenerife that began on August 15 and has forced the evacuation or confinement of thousands of people.

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Reactions: The main current system of the Atlantic Ocean could collapse in the middle of the century

The Atlantic Meridional Circulation (AMOC), a large system of ocean currents that transports warm water from the tropics to the North Atlantic, could collapse around the year 2050 with serious consequences for the climate, according to estimates by researchers at the University of Copenhagen (Denmark). The IPCC considered a complete collapse unlikely during the 21st century. The results are published in the journal Nature Communications and the authors do not rule out that this collapse may be partial.

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Reactions: July heatwaves in Europe and North America "almost impossible" without climate change

An attribution study by World Weather Attribution (WWA) concludes that the heatwaves in Europe and North America this July would have been "almost impossible" without climate change. Over the past few weeks, southern Europe, parts of the United States, Mexico and China have experienced severe heatwaves with temperatures exceeding 45 °C. The WWA report notes that in China the heatwave was at least 50 times more likely due to the climate crisis.

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