By SETH BORENSTEIN, AP Science Writer WASHINGTON (AP) — The world continues to increase the amount of heat-trapping carbon dioxide it pumps into the air, but it’s not rising as fast as in the previous couple years. Led by big jumps from China and India, the world is projected to spew 40.57 billion tons of carbon dioxide into the air in 2019. That's up nearly 255 million tons from 2018, according to