Plant life benefits from an increase in atmospheric CO2, does it not? Increased plant life benefits other living creatures, does it not?

Here are the stats on the composition of the Earth's atmosphere:

Composition of dry atmosphere, by volume[2] ppmv: parts per million by volume (note: volume fraction is equal to mole fraction for ideal gas only, see Gas volume#Partial volume)

Nitrogen (N2) 780,840 ppmv (78.084%)

Oxygen (O2) 209,460 ppmv (20.946%)

Argon (Ar) 9,340 ppmv (0.9340%)

Carbon dioxide (CO2) 387 ppmv (0.0387%)

Neon (Ne) 18.18 ppmv (0.001818%)

Helium (He) 5.24 ppmv (0.000524%)

Methane (CH4) 1.79 ppmv (0.000179%)

Krypton (Kr) 1.14 ppmv (0.000114%)

Hydrogen (H2) 0.55 ppmv (0.000055%)

Nitrous oxide (N2O) 0.3 ppmv (0.00003%)

Xenon (Xe) 0.09 ppmv (9x10−6%)

Ozone (O3) 0.0 to 0.07 ppmv (0% to 7x10−6%)

Nitrogen dioxide (NO2) 0.02 ppmv (2x10−6%)

Iodine (I) 0.01 ppmv (1x10−6%)

Carbon monoxide (CO) 0.1 ppmv

Ammonia (NH3) trace

Not included in above dry atmosphere:
Water vapor (H2O) ~0.40% over full atmosphere, typically 1%-4% at surface



Okay....so CO2 comprises less than 4 hundredths of a percent of the Earth's atmosphere. Oxygen comprises about 21% of the Earth's atmosphere. Water vapor comprises about 1 to 4% of the Earth's atmosphere at sea level...about 4 tenths of a percent over the full atmosphere.

Water vapor is a far more powerful greenhouse gas than CO2, and the amount of water vapor in the atmosphere is about 10 times the amount of CO2.

Anyone smell something odd in the current global warming scare as applied to human-based carbon emissions? I do.

Here's the webpage with those stats I pasted in above:

Earth's atmosphere