This is the the influence of all the urbanization, cars, road, homes, industries, power plants etc that influence the temperature. This effect can be very important and you must take good care when comparing temperature measurements to understand if there is global warming or not.
Here's one example (source) of this heat effect. This graph shows the temperature contrast between a city center and the outskirts.

Where I live, I often see a difference of 5-10 degree C between my home from the city center.
CHINA BUILDING A LARGE NUMBER OF NUCLEAR REACTORS
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For the last fifty years, the leaders of the world in nuclear power have
been the US first and then France second, and by a long way, but China is
about ...
Il y a 2 heures

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