There are lots of levels of organic. Anything that is or was alive is technically organic, even oil, coal, and lumber. Gardeners and consumers must determine which level of organic is right for them.
What does green mean? And how can we protect the spirit of the word as it relates to environmental stewardship? It's a complicated issue; but here's a start!
Metapopulation theory helps describe the movements and cycles of related populations. This is a useful tool in managing conservation and restoration efforts.
Mercury pollution poses a threat to our environment and us. Contact your representatives and let them know you support efforts to reduce industrial emissions and remediate polluted areas.