This list includes the Top 10 Environmental Magazines ranked by the number of Twitter followers. Some publications share a Twitter handle with their parent organization. The rankings are based on Twitter followers as of 2/23/2011.
- PETA’s Animal Times – @peta – 137,577 followers
- Nature Conservancy – @nature_org – 47,697 followers
- National Wildlife – @NWF – 44,050 followers
- All Animals – @Humanesociety – 39,632 followers
- Greenpeace Magazine – @greenpeaceusa – 29,864 followers
- Sierra – @sierra_magazine – 24,416 followers
- Mother Earth News – @motherearthnews – 11,403 followers
- In Brief – @earthjustice – 10,447 followers
- Defenders – @defenders – 10,060 followers
- National Parks – @npca – 9,525 followers