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Urban Heat

All articles tagged with #urban heat

environment2 months ago

Sustainable Cooling: A Cost-Effective Solution to Rising Heat and Emissions

A UNEP report highlights that adopting sustainable cooling strategies, including passive and low-energy solutions, could reduce cooling-related emissions by 64% by 2050, save trillions of dollars, and improve access for billions, amid rising global heatwaves and demand. The report advocates for policy integration, urban planning, and international cooperation through initiatives like 'Beat the Heat' to address the growing climate and health challenges associated with extreme heat.

via UNEP - UN Environment Programme|
#climate-change#emissions-reduction#environment
environment5 months ago

Europe's Worsening Heatwaves: The Deadliest Cities and Rising Risks

A recent study highlights that heatwaves in Europe, intensified by climate change, have caused thousands of deaths, with urban areas like Milan and Paris being particularly vulnerable due to factors like building materials, pollution, and lack of air conditioning. The risk of heat-related mortality varies across cities, influenced by urban design, socioeconomic factors, and local climate, emphasizing the need for better cooling strategies to mitigate future risks.

via The Economist|
#climate-change#environment#europe
environment1 year ago

The Unintended Heat Trap of White Roofs

A study by Harvard researchers reveals that painting roofs white to reflect heat can inadvertently increase temperatures in surrounding areas due to changes in local atmospheric circulation. This geoengineering technique, intended to combat urban heat, can lead to increased convection and reduced rainfall, potentially exacerbating climate inequity by causing additional warming in neighboring regions. The findings highlight the complexity of implementing such solutions and their unintended consequences on local climates.

via The Guardian|
#albedo-effect#climate-change#climate-inequity
environment1 year ago

Unexpected Risks in Simple Climate Adaptation Strategies

A study published in Geophysical Research Letters suggests that land radiative management (LRM), a climate adaptation strategy involving reflective surfaces to cool urban areas, may inadvertently increase temperatures in neighboring regions by altering weather patterns and reducing rainfall. This could exacerbate climate inequity if applied in high-income areas adjacent to low-income ones. However, the researchers note that LRM could still be beneficial if implemented over appropriate scales, minimizing unintended warming effects.

via Phys.org|
#climate-adaptation#climate-inequity#environment