Plants love CO2.
No evidence for any bad effects from the really small increases in CO2, in spite of what the news media and politicians would lead one to believe.
venus
We know we are affecting the planet because we understand carbon cycles and the use of carbon fuels and the effect of carbon dioxide on the atmosphere.
Mars is the terrestrial planet with a thin carbon dioxide atmosphere. Venus also has an atmosphere of carbon dioxide, but it is very thick.
venus because it has 96.5% of carbon dioxide and Earth has 0.03% of carbon dioxide.
Such an atmosphere on a planet would be the result of carbon dioxide emitted from volcanoes.
Venus has the thickest carbon dioxide atmosphere.
Earth, Mars and venus all have nitrogen and Carbon dioxide in their atmosphere, though the levels vary from planet to planet.
Mars is known as the red planet. The planet itself is mostly rock. It is the thin atmosphere that is mostly carbon dioxide.
Venus
EARTH
carbon dioxide
The carbon dioxide causes the greenhouse effect in Venus because it heats up the planet, making it hotter than the other planets in the solar system. The carbon dioxide, along with other gases, are not able to release from the planet and become trapped.