RT @EricHolthaus: 270 → 280 ppm: ~5000 yrs
280 → 290: ~100
290 → 300: ~40
300 → 310: ~30
310 → 320: ~23
320 → 330: 12
330 → 340: 8
340 → 350: 6
350 → 360: 7
360 → 370: 6
370 → 380: 5
380 → 390: 5
390 → 400: 5
400 → 410: 4
410 → 420: 3

We are in a climate emergency.

🐦🔗: https://nitter.eu/catherinerowett/status/1551210636654350338