Since two thousand one she has worked with the United Nations Refugee Agency to raise public awareness about the serious problems of refugees around the world.

VOA: special.2009.05.08

"Definitely with something as relevant in our world as genetic research, there are serious moral and ethical concerns and responsibility that is necessary.

VOA: standard.2010.06.09

Tuesday marks the eighth day of climate talks and with world leaders arriving, analysts say it is time to make serious progress with the major issues.

VOA: standard.2009.12.17

"What we are finding is that migrant workers, particularly irregular migrant workers, very often young women, around the world are at tremendous risk of serious exploitation," .

VOA: standard.2009.08.21

Heller's surfing adventure took him to the other side of the Pacific Ocean, where he became more aware of some serious environmental issues threatening the world's oceans.

VOA: standard.2010.08.04

We cannot guess his motives. We just have to deal with the reality: that a North Korea that is proliferating weapons and missiles is a serious threat and danger to the world."

VOA: standard.2009.06.14

In the report, called "Heads in the Sand", the group says a serious decline in the supply of oil coupled with increasing demand and few new projects planned, means the world needs to move away from oil.

VOA: standard.2009.10.20

"And that's the duty of everyone who believes in justice and in deterring the gravest and most serious types of crimes that the United Nations was partially set up to prevent after the Second World War, and continues to fail to prevent."

VOA: standard.2009.09.07