The solution is plain. We have to reduce carbon dioxide by cutting back on our footprint. International cooperation is essential, but this cooperation will be difficult to achieve. Voters in developed countries want to retain their standard of living, and those in poorer countries want to develop in order to improve theirs. Accordingly, despite the warnings of scientists, there has been no agreement to make substantial cuts so far.
The debate about how to tackle the problem goes on, but meanwhile the earth gets warmer year by year. Time is running out.