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Third-party candidates have always struggled to make impact in US elections
Shrine to tort law celebrates multimillion-dollar personal injury verdicts criticised by Republicans
Philanthropist advocates the power of storytelling to galvanise public opinion and change the world
A new work about climate change follows a tradition of librettos inspired by contemporary topics
Questions raised about whether VC firms and start-ups paid enough attention to gender issues
David Blood and Al Gore say their focus on sustainability is really just good active management
Wealthy activists push climate and Keystone XL up agenda
Lessons have been learned, and many are building on experience
The former US vice-president warns of the risk to investors of owning carbon-intensive assets
Little change expected without the weight of the White House
Touchy-feely adventures are converging with robotic reality
Storm may impact voting on polling day next week
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