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Emission-free iron – level 3

18-10-2022 07:00

The world uses a lot of steel, and the...

Methane and the world’s temperature – level 3

25-08-2021 07:00

Although carbon dioxide from burning fossil fuels is the...

Cows and Climate Change – level 3

11-09-19 15:00

In the USA, beef production uses more resources and...