I believe that in the blank should go "sabemos"
I hope I'm correct.
D.Hay porque hablo español
Reviewing the organization's environmental goals;
Analyzing its environmental impacts and legal requirements;
Setting environmental objectives and targets to reduce environmental impacts and comply with legal requirements;
1. sino que
2. Pero
3. sino
4.se volvió
5. llegaría a ser
6. va a volverse