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People in a dirty river – level 2
17-11-2021 15:00
Last week, Hindus in northern India celebrated the Chhat...People in California do not have enough water – level 2
08-11-2021 07:00
This year was very dry, and experts said that...Methane and the world’s temperature – level 1
25-08-2021 07:00
Methane is a gas. It has no smell. People...Methane and the world’s temperature – level 2
25-08-2021 07:00
Methane is an invisible gas which has no smell....Methane and the world’s temperature – level 3
25-08-2021 07:00
Although carbon dioxide from burning fossil fuels is the...