A graph I saw in high school appeared to show the Earth breathing. It was a graph that plotted carbon dioxide in the atmosphere over the course of the 20th century and into the 21st. CO2 had risen steadily, and then more rapidly, but it hadn’t gone up in a straight line. Each year it had fallen sharply before rising to a new peak, increasing over time in an upwards zig-zag. A graph I saw in high school appeared to show the Earth breathing. It was a graph that plotted carbon dioxide in the atmosphere over the course of the 20th century and into the 21st. CO2 had risen steadily, and then more rapidly, but it hadn’t gone up in a straight line. Each year it had fallen sharply before rising to a new peak, increasing over time in an upwards zig-zag. Earth Sciences Environment Phys.org – latest science and technology news stories
Earth’s lungs are choking on plastic and smoke—scientists hope to unblock them
