source

source

I will post the link of the site that I used as a reference or used the image.
Thanks to you, we have created a good site, thank you again.
(The contents used here are used based on the terms of use.)

The site that we used as a reference

Agency for Natural Resources and Energy
https://www.enecho.meti.go.jp/
Kansai Electric Power Co., Inc.
https://www.kepco.co.jp/
Softbank Electric
https://www.softbank.jp/energy/
Environmental Energy Policy Research Institute
https://www.isep.or.jp/

The site that used the image

Agency for Natural Resources and Energy
https://www.enecho.meti.go.jp/
Irasutoya
https://www.irasutoya.com/
photo ac
https://www.photo-ac.com/
Illust image
https://illustimage.com/
Public domain Q
https://publicdomainq.net/
Balloon design
https://fukidesign.com/
pixabay
https://pixabay.com/ja/
unsplash
https://unsplash.com/

The site we used

z-z board
https://z-z.jp/

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