I refuse to fail to learn the lessons from Covid. I will wear a respirator at large meetings until
#cleanair
is taken seriously. I recently sat in a meeting where CO2 reached 1,000ppm after 30mins, then climbed to โ ๏ธ 1,991ppm โ ๏ธ At that level, 1 in 40 breaths is rebreathed air ๐คข