Bummer: Richard Black, BBC's environment news coverage chief for six years, suggests that because of the failure of EU carbon trading, we need to say "goodbye to a healthy climate system"

Twitter / enviroblack: Depressing if entirely accurate ...

Depressing if entirely accurate thoughts @MattMcGrathBBC on #coal http://goo.gl/kaoAY  - basically, goodbye to a healthy #climate system

BBC News - [Former] Correspondents - Richard Black

...led environment news coverage on the BBC News website for six years.