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…