Personally I am extremely pessimistic as humans and countries are selfish no one will be willing to do the sacrifices needed. A small portion of worlds populati

Personally I am extremely pessimistic as humans and countries are selfish no one will be willing to do the sacrifices needed. A small portion of worlds population produces majority of the carbon emissions. So even if they start decreasing carbon emissions the population growth and economic growth of the rest will result in carbon emissions growing rather than slowing or stopping. Where as the world need to decrease emissions.