Trump is likely to scale back America's climate targets - will other countries follow suit?

After a year of ever more extreme weather and continually rising global temperatures, it's no wonder this year's UN climate summit has been called - once again - the "last-chance saloon".

Trump is likely to scale back America's climate targets - will other countries follow suit?
After a year of ever more extreme weather and continually rising global temperatures, it's no wonder this year's UN climate summit has been called - once again - the "last-chance saloon".