31 December 2021 - Dundee intends to open a gold mine and exploit ore using cyanide. Environmental and local associations are explicitly against it.
30 December 2021 - Romanian Hidroelectrica plans hydrogen production unit on Danube, and Lukoil with Rusatom Overseas production of green hydrogen in Ploiesti.
29 December 2021 - The Golden Plains wind farm is planned to have 215 turbines and produce enough electricity for 765,000 homes
27 December 2021 - HEP received approval from the Government of Croatia to take a EUR 63 million loan from the European Investment Bank
24 December 2021 - The State Audit Office of Northern Macedonia identified serious omissions in the concessions for small hydropower plants
24 December 2021 - AE Solar from Germany earmarked over EUR 150 million for a solar panel factory near Plovdiv in Bulgaria, Minister Alexander Nikolov revealed
22 December 2021 - Solar power plant Blate will have a peak capacity of 1.5 MW, making it one of the largest facilities of its kind in Slovenia
18 December 2021 - After several other cities in the United States, the City Council of New York passed...
18 December 2021 - Regional waste management center Rančevo near Sombor will process and reuse most of the waste from five municipal units