But intensive logging in this part of Finland has started to threaten the work and culture of this group.

VOA: special.2009.04.22

After logging into the course's website, you'll appear on the top left-hand corner as I just did with your actual names that we know exactly who we're working with and then what you can do is raise your hand sort to speak.

登录课程网站之后，你将被显示在,左上角，通过你们的真实名字,我可以知道我到底是在跟谁一起工作,然后你们可以做的是举手来回答问题。

哈佛公开课 - 计算机科学课程节选

They found that all mangrove forests on coastlines are under threat from development, logging or other dangers.

VOA: special.2010.04.20

And,it's made possible by the logging companies, foreign logging companies, opening up the forest with roads."

VOA: special.2009.11.18

Continued logging will not only affect the natural environment of this beautiful northern wilderness.

VOA: special.2009.04.22

"Logging in ..." One of those users is Caroline Moore-Kochlacs at Boston University.

VOA: special.2011.04.28

Allan Thornton is president of the Environmental Investigation Agency, a Washington-based nonprofit that documents illegal logging activities worldwide.

VOA: standard.2010.05.28

And developers,logging companies, and strip-mine operators on the edge of the swamp can easily upset the delicate balance of nature in the area.

VOA: standard.2010.03.29

"Illegal logging is down and that has important impacts in terms of trying to prevent deforestation."

VOA: standard.2010.07.28

Even after a decade-long decline in illegal logging,Ritter says, there's still a long way to go.

VOA: standard.2010.07.28

Illegal logging is down in part because export countries are cracking down on the problem.

VOA: standard.2010.07.28

David Ritter from Greenpeace says ending illegal logging will slow down global warming.

VOA: standard.2010.07.28

The extent of illegal logging varies widely by exporting country and species.

VOA: standard.2010.05.28