67=.George Monbiot, Academic and journalist
The self-styled "professional trouble-maker" is as feisty on Twitter as he is in his Guardian columns. Monbiot isn't afraid to use Twitter to call out anyone from mining corporations to climate deniers and politicians: "No bloody way: Cameron says he is committed to abolishing the top rate of tax. Insane and injust."
Tweets as : @GeorgeMonbiot Peer Index: 61 Authority: 75 Activity: 56 Audience: 48 Follows: 344 Followers: 35,984Follow @GeorgeMonbiot