29 May 2017 – Speaking at the Think 20 Summit 2017 in Berlin, a group of leading economists warned that the world risks catastrophic global warming in just 13 years unless countries ramp up taxes on carbon emissions to as much as US$100 per metric tonne. The experts, including Nobel laureate Joseph Stiglitz and former World Bank chief economist Nicholas Stern, said governments needed to move quickly to tackle polluting industries with a tax on carbon dioxide at $40-$80 per tonne by 2020. Read the full article on The Guardian’s website.