Clean Air Day on COP24

December 2019, Katowice. On 11th December 2018 idea of European Clean Air Day was presented during United Nations COP24 summit in Katowice, Poland. Next day it was presented to Polish minister of the environment.

Our presentation was part of session on citizen science actions on climate change held by US organization Earth Network. The Earth Network plan to organize in 2020 Earth Challenge.

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