ZAQS.ORG

The most important number of the climate crisis: 425.2 - atmospheric CO - 2 - in parts per million, 21 July 2024 - 75.2 - above safe level - 27.1 - in past 10 years - 280 - 300 - 320 - 340 - 360 - 380 - 400 - 420 parts per million - 1960 - 1990 - 2014 - 2024 - Safe level: 350ppm - Latest: 425.2ppm - 280 - 300 - 320 - 340 - 360 - 380 - 400 - 420 parts per million - 1960 - 1990 - 2014 - 2024 - Safe level: 350ppm - Latest: 425.2ppm - Source: NOAA. Chart baseline is 280ppm - the preindustrial average. Safe level a stabilisation scenario set out by IPCC. Daily average CO2 value at Mauna Loa.

1 year ago

The age of extinction

6 months ago

Most viewed -- in environment

2 years ago

Most viewed -- Across the guardian

2 years ago

Public warned to keep away from injured dolphin filmed with Dorset swimmers

13 hours ago

Magic mushrooms: how scientists discovered fungi are the secret ingredient for restoring the world's forests

1 day ago

Country diary: So many butterflies, it reminds me of summers past

2 hours ago

Exposure to some common Pfas changes gene activity, new study finds

19 hours ago

'No country is safe': deadly Nordic heatwave supercharged by climate crisis, scientists say

2 days ago

Republicans who backed Trump's anti-environment bill have accepted over $105m from big oil

18 hours ago

Huge 'Butchered' artwork installed on North Sea gas rig by Greenpeace activists

1 day ago

Plastic pollution talks fail as negotiators in Geneva reject draft treaties

1 day ago

Buoyant, the size of a lentil and almost impossible to recover: how nurdles are polluting the oceans

4 days ago

Week in wildlife: A wild elephant, a playful dolphin and fighting zebras

1 day ago