How to solve the environmental problem

The earth admits the difference of temperature .

But human beings can't allow themselves to warm the globe .
Because we think there is the danger that human beings will be extinct .

Then what should we do to escape from the danger ?

I think the viewpoint of ciculation to be important .

We should create the things that we can recycle easily with cheap expense .

And we should use the plants to form ecological systems .
An ecological system has the concept of circulation .

We must recognize that we shoud not make the material that don't cycle easily .
I guess the material will make the earth environment worse .

We should not prevent the flow of everything .

Let it be , let it be , let it be ♪