On Tu B'Shvat we celebrate the earth's cyclical renewal. As a holiday of nature, it's a
good time to contemplate our personal relationship to the environment.
What does Judaism have to say about nature?
Does Jewish tradition consider conservation a moral issue?
Let's look at humanity's very beginning, in the book of Genesis. As
soon as Man is created, before anything else happened to him - 
That's very nice, but it's too hard to recycle/smog-proof
the car/pick up the garbage in my neighborhood. 
This commandment concerning trees in wartime is the
source for the law, "Ba'al Tashchit" - don't destroy.
Examples in peacetime include: 
It's worthwhile to take some time to consider how
each of us can improve the quality of our
environment. Check out Community Projects you
can start to fulfill our role as "workers and
guardians" of the garden called Planet Earth.