Math! How much CO2 by weight in the atmosphere?

According to wikipedia (CO2): As of January 2007, the earth’s atmospheric CO2 concentration is about 0.0383% by volume (383 ppmv) or 0.0582% by weight. This represents about 2.996×1012 tonnes, and is estimated to be 105 ppm (37.77%) above the pre-industrial average. CO2 concentration by weight is obtained by the formula below: 0.0383 V% x [44.0095/28.97] = 0.0582 … Continue reading Math! How much CO2 by weight in the atmosphere?