https://climate.nasa.gov/evidence/ https://climate.nasa.gov/evidence/ This is a wonderful resource to see exactly how massive of a change in C02 this is. It a

https://climate.nasa.gov/evidence/ https://climate.nasa.gov/evidence/ This is a wonderful resource to see exactly how massive of a change in C02 this is. It also goes into detail on many of the effects we are seeing now in response to climate change.