1) United Kingdom
2) United States
3) Russia
4) China
Explanation:
he UK Parliament becomes the first national government to pass an exemplary measure, that is, a national declaration of an Environment and Climate Emergency. This move marks a serious emergency in dealing with climate change. The declaration was preceded by a visit by teenage activist Greta Thunberg (to the Parliament), the feature of David Attenborough’s documentary movie titled ‘Climate Change: The Facts’ and the 11-days of constant protest by an environmental group ‘Extinction Rebellion‘.Britain’s opposition Labour Party called for this serious action.