CO2 levels are the highest since humanity began
CO2 levels on Earth have officially hit 415 parts per million (ppm), according to readings taken at the Mauna Loa Observatory in Huawei.
from https://www.engadget.com/2019/05/13/co2-levels-415-ppm-highest-human-history/
https://o.aolcdn.com/images/dims?quality=85&image_uri=https%3A%2F%2Fo.aolcdn.com%2Fimages%2Fdims%3Fcrop%3D5487%252C3271%252C0%252C0%26quality%3D85%26format%3Djpg%26resize%3D1600%252C954%26image_uri%3Dhttps%253A%252F%252Fs.yimg.com%252Fos%252Fcreatr-images%252F2019-05%252Fbba2d590-755d-11e9-ab7f-f7915713bf14%26client%3Da1acac3e1b3290917d92%26signature%3D40ed3f06e7cfdf3a438e367811603938f180b6ab&client=amp-blogside-v2&signature=264d10ee8c435a88d0dc199ae0e29ed23b825609