This chart from the United Nations Environment Programme (click to embiggen) looks complicated, sort of like a traffic sign cross-bred with a banyan tree. But it basically just traces the path of greenhouse gases from polluting industries, through uses, out into the atmosphere. So you can tell at a glance, for instance, that energy industries produce by far the most greenhouse gases, or that most of the methane comes from oil processing and livestock.
Get Grist in Your Inbox
Amory Lovins’ high-tech home skimps on energy but not on comfort
This little fox loves transit. Should we tell him he just missed his stop?
Millions alive today would have to die before the paleo diet could take over
Lay off the almond milk, you ignorant hipsters
Easy tip for biking in a skirt: Put a penny in yo’ pants