Then,in the final weeks before election day, the situation began to change.

VOA: special.2010.07.01

He says the global economy must change to a sustainable system now before social issues and ecological degradation become overwhelming.

VOA: standard.2010.01.23

"We have a level of commitment that we have not had before, and that will change everything,".

VOA: standard.2009.12.03

Administration officials say the United States needs to make sure it has a credible partner in the Afghan government before any change in strategy.

VOA: standard.2009.10.21

Testifying before the House Financial Services Committee, Federal Reserve Chairman Ben Bernanke said this must change.

VOA: standard.2009.10.01

Clinton,who insisted India can make emission cuts without harming its economy, said she is optimistic the two governments can reach a common approach before the world conference on climate change in Copenhagen in December.

VOA: standard.2009.07.20