Mother nature is a lean mean cleaning machine, at least when it comes to water filtration. Canada’s boreal forest contains wetlands that filter millions of litres of water a day!

http://www.hww.ca/hww2.asp?id=354

2010 is the Year of Biodiversity and Earth Rangers has teamed up with The United Nations Convention on Biological Diversity to bring you a daily dose of biodiversity basics


I love trees. I just planted three.
Wow!
I love trees