It may look like a natural environment of lakes and woodlands, but it was entirely built by human labor.

VOA: special.2009.10.30

Professor Bartemeus says the study shows how human activities in the natural environment can change the travels of other organisms.

VOA: special.2010.03.02

Human development or natural disasters can change that environment.

VOA: special.2010.04.06

This has given rise to systemic risks affecting livelihoods, the environment as well as human and animal health."

VOA: standard.2010.02.22

Sophia says the organic movement is key to sustaining the environment and the human race.

VOA: standard.2009.12.08

President Obama says the Summit of the Americas yielded broad hemispheric agreement on the need to spur economic growth, confront security challenges like drug trafficking, promote alternative fuels, protect the environment, and ensure human rights.

VOA: standard.2009.04.19