bonjours c'est un devoir en anglais 
questions:
1)Pick up all the expression related to controversy (paragraphs 1 and 2).
2)Find the contrary of the word <<controversy>> in the text.
3)Link up th following statements (Express Concession or opposition):
1.scientists are still divided on the impact of global warming they agree it is caused by human activities.
2.Global warming in a proven fact (=fait avéré) scientist cannot assess how much it will affect us.
3.The world is warming at an unprecedented rate nobody can predict what will happen precisely.
4.It is comforting to know that people study this problem the changes taking place are extremely worring.
5)resumé le texte en 3phrases avec des mots de liaison.