Extreme Heat Waves: What's Happening
The UK and Europe have been facing extreme heat waves, with temperatures recorded by Greenpeace reaching up to 53C in a children's park in London in recent weeks. It's clear that our cities are not equipped to handle the high temperatures brought by the climate crisis.
With the 'Super El Niño' on the way, the next year is expected to be even hotter. But is anyone really doing something about it? The Guardian's opinion deputy editor, Kirsty Major, looks for children's parks that are adapting to our new reality.
Why This Matters
Extreme heat waves have serious consequences for human health, especially for the elderly, children, and people with pre-existing conditions. Additionally, cities are particularly vulnerable due to the urban heat island effect, which can increase temperatures by up to 10C compared to rural areas.
Cities are also responsible for a large part of greenhouse gas emissions, making them a key focus for climate crisis mitigation actions. However, the lack of adequate infrastructure and urban planning can make it difficult for cities to cope with the consequences of global warming.
The Mechanism Behind Heat Waves
Heat waves are caused by a combination of factors, including climate change, urbanization, and lack of vegetation. Urbanization can lead to the formation of urban heat islands, which are urban areas that are significantly hotter than the surrounding rural areas.
This occurs because cities have a large amount of hard surfaces, such as asphalt and concrete, which absorb and retain heat. Additionally, the lack of vegetation in urban areas can reduce evapotranspiration, the process by which plants release water into the atmosphere, which can help cool the environment.
Bigger Picture
Extreme heat waves are not a new phenomenon, but they are becoming more frequent and intense due to climate change. According to the World Meteorological Organization (WMO), the number of extreme heat waves has increased significantly in recent decades.
Furthermore, heat waves have a disproportionate impact on vulnerable populations, such as the elderly, children, and people with pre-existing conditions. It is essential that cities develop strategies to cope with heat waves, including the creation of parks and green areas, the implementation of urban cooling policies, and educating the population about the risks associated with heat waves.
What's Next
With the 'Super El Niño' on the way, it is essential that cities prepare for extreme heat waves. This includes implementing urban cooling policies, creating parks and green areas, and educating the population about the risks associated with heat waves.
Additionally, it is essential that cities develop strategies to reduce greenhouse gas emissions and mitigate the effects of the climate crisis. This includes implementing sustainable transportation policies, promoting energy efficiency, and creating recycling and waste reduction programs.
Source / Reference
Source: The Guardian Environment