Week12+Global+Warming

1. Usually plants are considered "good" for slowing down global; warming. WHY? Be as detailed as you can.

2. Read the article "Forests invade Tundra" [] Log in to ScienceNews.org magazine: mxd0543@lausd.net Password: Kennedy In this article it says " For the Arctic, green is the new black.". That is - "plants bad". Why are the writers suggesting that too much green is bad for reducing global warming?

3. Under the sub-title "Posturing", the writers say: "This forest advance into former tundra __coincided__ with a nearly 1 degree Celsius increase in summer temperature and a doubling of winter precipitation."

What is caused by what: Tree growth causedd by temperature increase? or temperature increase caused by tree growth? Find evidence for each in the article.