But in recent decades, the world's forests have been stripped of trees at a rapid pace.

VOA: standard.2010.07.28

But there are rays of hope, and thanks to the introduction of rapid diagnostic tests and combination treatments, Senegal has seen large drops in both reported cases and mortality rates.

VOA: standard.2009.04.25

Some were buried in family compounds, but many families bring bodies to be buried here because in Kigali's rapid development many homes are being removed to make room for new construction.

VOA: standard.2009.04.10

China's rapid economic growth has pulled millions of the country's residents out of poverty, but a new report says the environmental impacts of this progress is threatening the health of hundreds of millions more.

VOA: standard.2010.04.07