Future generations will be handed a massive bill, that could amount to $535tn, resulting from the cost of climate change due to delays in implementing significant changes to reduce greenhouse gases. These were the findings from a new research to calculate the cost of the Negative CO2 Emissions technology needed to remove carbon dioxide from air in order to avoid the risks of climate change. The study was conducted by an international team of experts led by the American climatologist scientist James Hansen; previously the director of Nasa’s Goddard Institute for Space Studies and published at Earth Systems Dynamics.