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COP 27 – level 2

11-11-2022 07:00

On November 6, 2022, leaders of 197 countries came...

COP 27 – level 3

11-11-2022 07:00

On November 6, 2022, representatives from 197 countries convened...

President to save Amazon – level 2

04-11-2022 15:00

On Sunday, Luiz Inacio Lula da Silva won Brazil’s...

President to save Amazon – level 3

04-11-2022 15:00

Luiz Inacio Lula da Silva has become the new...

Emission-free iron – level 1

18-10-2022 07:00

Iron is a hard grey metal. People get it...

Emission-free iron – level 2

18-10-2022 07:00

People make iron when they burn coal with iron...

Emission-free iron – level 3

18-10-2022 07:00

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

Steel industry problems – level 3

29-09-2022 15:00

Europe’s steel industry faces an uncertain future. The surging...

Oxygen on Mars – level 1

08-09-2022 07:00

NASA’s Perseverance rover lands on Mars in 2021. It...

Oxygen on Mars – level 2

08-09-2022 07:00

When NASA’s Perseverance rover landed on Mars in 2021,...