May 19, 2019 - Carbon Dioxide Levels Reach Highest Point in Human History

https://www.smithsonianmag.com/smart-news/carbon-dioxide-levels-reach-highest-point-human-history-180972181/

 

May 18, 2019 -Life Goes On Under Cloud Of Smog In Mexico City

https://phys.org/news/2019-05-life-cloud-smog-mexico-city.html