Without flowers there will be no garden, No earth garden will not be beautiful, Without trees there will be no forests, Without the forest we can not breathe,moehar (25)in #fauzi • 7 years ago
Excellent
and without enough CO2 in the air..
the trees will die.
400ppm is BARELY enough.
the trees are gasping for breath
1000 ppm would be MUCH better.