For half of my life, we have only had ten years left to solve global warming.
And 50 years ago, NASA said we would have an ice age in 50-60 years. Based on the record cold spring we have been having in Wyoming, that seems more likely.
As CO2 has increased, life expectancy has increased with it. This is largely because the availability of fossil fuels finally gave people the ability to protect themselves from a naturally dangerous climate. Most people do not have the ability to survive winter without heat from burning hydrocarbons.