Much of the world’s fossil fuels — coal, oil and gas — need to stay underground if humans want to keep Earth from warming to extremely dangerous levels, according to a new report published Thursday in the journal Nature. As prices plummet at gas pumps worldwide, the report from University College London’s Institute for Sustainable Resources found that if countries want meet the goal of capping warming at 2 degrees Celsius above the average before the industrial revolution, some of the world’s richest countries will have to resist the temptation to pump or dig such resources from the ground. Burning fossil fuels expels greenhouse gases, which keep the sun’s infrared radiation from bouncing back into space and trap it on Earth. The widespread burning of fossil, which began about 200 years ago with the invention of the steam engine, started adding carbon dioxide, a major greenhouse gas, into the atmosphere at a rapid rate. Governments are now […]