Custom analysis by Greg Matthews on physicians who tweet related to environmental stewardship / sustainability. 3,200 physicians , 2.3 million tweets studied in 2012. See http://mdigitallife.com for more info

1. Total Tweets from Keyword Sets
Tweet Count
6%
36%
29%
Sustainability
Climate Change
Greenhouse gases
"Green" Hashtags
Environment
28%
1%

2. 472 Doctors Tweeted our keywords at least once
Keyword Set Tweet Count
Sustainability 225
Climate Change 1115
Greenhouse gases 1071
"Green" Hashtags 48
Environment 1392
TOTAL 3851

3. Doctors discuss the environment in general as
often as they discuss it in relation to human
health
“The Effects of Our
Environment on the Endocrine
System http://bit.ly/9QEt1T
#environmental #medicine
#health”
Environment and Environment
Human Health Only
50% 50%
“#Earthday is right around the
corner! How are you and the
family finding ways to help the
#environment?”

4. 18% of “Health + Environment” tweets are
related to causing or exacerbating a specific
disease or medical condition
“Experts Call for More Research
on Breast Cancer and the
Causing or
Exacerbating
Environment”
Disease
17%
“#Earthday is right around the
corner! How are you and the
family finding ways to help the
Environment
and Human #environment?”
Health

5. Word cloud based on “Environment” Tweets

6. Top Hashtags Top Twitter Users
• #Climatechange • @drfrancis
• #Sustainability • @tedeytan
• #Climate • @dramydean
• #Health • @jillstein2012
• #GreenHC • @Rndubois
• #Environment • @brontyman
• #Globalwarming • @Ritmonegro
• #RxSocial • @wheezemd
• #Sandy • @thinkalot
• #ACPM2012 • @MTomasson