Alf wants us to protect nature; to put garbage in a garbage bin; recycle newspapers, glass and plastic bottles, and metal cans; to plant flowers instead of picking them; to take care of wildlife; create new places for it.
Alf doesn't want us to throw away things that you can reuse; to pollute the water; to throw the garbage into the pond; to draw or paint on trees, it will damage them; to disturb animals and destroy their homes;