Schwarzenegger calls for ‘hopeful’ message from climate activists

Arnold Schwarzenegger has called for a hopeful message on climate change (Lisa Leutner/AP)

Arnold Schwarzenegger has urged climate activists to offer a hopeful message that targets pollution rather than turning off the public with “constant alarm which cannot be sustained”.

The former California governor raised his past as the star of the Terminator films in an address to the Austrian World Summit in Vienna, an event he helps organise.