Environment:Questions related to the environment, are we destroying the Earth, how does carbons affect the ozone

Questions pertaining to the environment can be posted here. These can be related to the ozone layer, climate change, crops, agriculture, etc. Many people will likely have questions like, how do carbons affect climate change? At what rate are we depleting the ozone layer? What will happen once the ozone layer is depleted? What is the environment like on other planets like Mars?