@grzegorzkropacz
Active 1 year, 9 months agoActivity
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Grzegorz joined the project idea
Power of water 1 year, 9 months ago -
Grzegorz joined the project idea
The role of electricity in tackling climate change 1 year, 9 months ago -
Grzegorz became a registered member 1 year, 9 months ago
