1. Yet little has been done to solve this problem worldwide.
2. To make one final point, …
3. As we are all aware …
4. … has long been an issue debated mainly in … around the world.
5. One example is that …
6. Conversely
7. The final point that I would like to make is that …
8. Likewise, it is no longer required that … nor is it …
9. at all costs
10.What is important to remember is that …
11.preservation and protection
12.In this increasingly global world, …