1.  But stretched resources mean the foundation can do only so much.

2.  Increased population means further strains on already stretched resources of developing countries, particularly in terms of fresh water supplies and arable land.

3.  She said officials would also have to be selective about where they put their stretched resources.

4.  But the force has said there were limits to what it could do with stretched resources.

5.  Thousands have fled the fighting, putting pressure on stretched humanitarian resources in the enclave where Serbs have blocked aid deliveries.