A projection by artist JR is displayed on the national assembly in Paris as part of the Paris Climate Conference

A projection by French artist JR is displayed on the national assembly in Paris as part of the Paris Climate Conference, on Sunday.

More than 140 country leaders gathered in the city for the talks and activists around the world held protests to urge them to reach a strong agreement on global warming.

The summit was due to hold a ‘Buildings Day’ on Thursday to highlight the role the construction and property sector can play in cutting emissions.