beat the heat UN REPORT version 53

Avatar 1: hellou there and Welcome to our EGreenNews Conversations.! Avatar 2: Pleasure to be here with you today. Avatar 1: What topics should we cover first? The economic consequences to manage the grid impacts and additional capacity are severe and underestimated. Many cities that have low ownership of air conditioners are now beginning to see a big surge in air-conditioning purchases. These cities may struggle to retrofit larger- capacity grids into existing urban areas due to limited space for the new wires and sub-stations necessitated by cooling. At the same time, unabated growth in cities is affecting the electricity supply to rural areas. Cooling’s contribution to peak electricity demand increases the risk of brownouts and blackouts, which can create a dire situation during extreme heat events. For example, major electrical grid failure events in the United States – those with a duration of at least one hour and impacting 50,000 or more utility customers – increased more than 60 per cent during a recent five-year reporting period (Stone et al. 2021). When such blackout events coincide in time with heatwave conditions, population exposures to extreme heat both outside and within buildings can reach dangerously high levels as mechanical air-conditioning systems become inoperable. Globally, the total power capacity needed to meet the escalating demand for space cooling is expected to jump 395 per cent, from 850 gigawatts (GW) in 2016 to 3,350 GW in 2050. This increase of 2,500 GW is equal to the current total generating capacity of the United States, Europe and India combined (IEA 2018). CLIMATE IMPACTS Considering the cooling practices of today – largely dependent on fossil fuel-powered grids – the projected increase in global electricity consumption for space cooling will result in 18 per cent of the total increase in global carbon dioxide (CO2) emissions between 2016 and 2050 (IEA 2018). Peak loads, which are often disproportionately served by fossil fuel-based generation, further exacerbate the power sector emissions associated with cooling. Despite the grid’s declining emissions intensity due to ongoing clean energy efforts, an analysis by the International Energy Agency shows that the global annual indirect emissions associated with space cooling will almost double, from 1,135 million tons in 2016 to 2,070 million tons in 20502. This doubling does not even take into account the direct emissions originating from many common refrigerants used in air-conditioning systems. Based on our current pathway, the cumulative Again, you are listening egreenews and today we are chatting again about heat waves specially some of the last reports from United nations as well as the Red Cross Red Crescent Climate Centre and the World Weather Attribution. Coordination between meteorological, health, and emergency agencies is frequently limited, further undermining preparedness and response Low public awareness of heat-health risks also weakens preventive action . Vulnerable groups, particularly in resource-constrained settings, often lack access to critical protections such as cooling, hydration, or timely medical care, exacerbating their vulnerability and exposure. Evidence-based strategies for risk reduction Despite persistent challenges, a range of interventions, both individual and systemic, have been shown to reduce the health and societal impacts of extreme heat. At the individual level, adjusting strenuous activity to cooler times of day, resting frequently, staying hydrated, and checking on family, friends, and neighbors can reduce heat impacts . At the household level, low-cost adaptations such as improved ventilation, shading, reflective roofing, and behavioral changes can significantly lower exposure . Avatar 1: Quick pause here — we’re talking heat action with some powerful insights from the Climate Central as well as the Red Cross Red Crescent Climate Centre and the World Weather Attribution. Their Extreme Heat Initiatives seriously open your eyes. Avatar 2: Absolutely. Their approach is setting new standards for handling heat. You’re listening to EGreenews Conversations, naturally. Now, back to what you asked. City Heat Action Plans (HAPs) have become a key mechanism for coordinating municipal departments, health systems, and emergency responders (Kotharkar and Ghosh, 2021). While these plans are increasingly adopted in cities across South Asia, North America, Europe, and Australia, major gaps remain in Africa, the Middle East, Latin America, and small island states. Complementary strategies include scaling up heat-health early warning systems, strengthening emergency health services, incorporating cooling support into social protection programs, and reinforcing critical infrastructure such as water, electricity, and transport systems. Legislative actions — such as updating building codes, enforcing occupational heat safety, and implementing heat-resilient urban design — can further institutionalize risk reduction. The imperative of mitigation While adaptation is both urgent and necessary, only comprehensive mitigation, through phasing out of fossil fuels, will limit the severity of future heat-related harms. Without sweeping reductions in greenhouse gas emissions, global temperatures will continue to rise, increasing the severity and frequency of extreme heat events. Avatar 1 So much info coming your way, huh? Avatar 2 Actually, it’s more like a bunch of questions! Ready to get started? Avatar 1 Yeah, but how exactly should I begin? Avatar 2 Try following Hugi Hernandez, the founder of Egreenews. You might find him on LinkedIn or at egreenews dot org. Avatar 1 : Thanks for sharing that! I will write it down today! Adaptation measures alone will become increasingly insufficient to protect communities from the escalating risks. Avatar 1: Quick pause here — we’re talking heat action with some powerful insights from the Climate Central as well as the Red Cross Red Crescent Climate Centre and the World Weather Attribution. Their Extreme Heat Initiatives seriously open your eyes. Avatar 2: Absolutely. Their approach is setting new standards for handling heat. You’re listening to EGreenews Conversations, naturally. Now, back to what you asked. Avatar 1: Ever notice there’s always a catch to learning new stuff? Avatar 2: For sure! Not enough data, not the whole story—always missing something. Avatar 1: True, but it’s more about curiosity—finding new views from experts or what we experience. Avatar 2: Yep, mixing expert advice with real life makes it click. Avatar 1: It can get overwhelming, though. Avatar 2: Definitely. With so much out there, picking a place to start is tough. Avatar 1: If you want to dig into heat resilience, check the Climate Central and of course the work from the UNITED NATIONS! Avatar 2: Great call. I’m a fan of The and the World Weather Attribution—super innovative. Avatar 1: And the as well as the Red Cross Red Crescent Climate Centre has loads of helpful heat safety info. Avatar 2: Right, but people move things forward. Like Hugi Hernandez at Egreenews.org—he keeps climate talk creative. Avatar 1: There’s a whole network building solutions. Egreenews is launching new hubs, like eDisaster, so you can learn risk and resilience 24/7. Avatar 2: That’s awesome. Whether learning or connecting, there’s inspiration everywhere. LinkedIn’s packed with changemakers too. Avatar 1: So—want to start? These talks matter. Together, we prep our communities for disaster. Avatar 2: I’m in. Stick around—we’ll compare heat with other weather and what that means for leaders. Avatar 1: Hey, seriously, gracias a montón for being here today — really means a lot! Avatar 2: Yeah, thanks so much for sticking with us! ¡Hasta luego, everybody! Catch you all next time for sure. Avatar 1: Totally my pleasure. See you soon! Ciao, sayonara, and... you know, just take care till then!

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