Former Maryland Congressman John Delaney has become the latest in a growing list of Democratic presidential candidates pledging trillions in climate change fighting initiatives, CNN reports , citing Delaney’s US$4-trillion plan to cut carbon emissions by up to 90 percent by 2050. The plan focuses on a carbon tax for polluters with the money collected this way to be then distributed among the general population. It also involves incentives for investment in direct carbon capture: a costly technology that Delaney says he will finance by ending federal subsidies for oil and gas companies, and replacing these with US$5 billion in annual investments in carbon capture technologies. In case anyone is bothered with the size of the total investment needed, the plan claims most of this—US$3 trillion to be exact—will come from the carbon tax. The remaining US$1 trillion looks like it would have to come from the federal coffers […]