Patience for world leaders talking about tackling climate change is wearing thin. Just as US President Barack Obama addressed a crowd of thousands in Prague on Sunday, Greenpeace activists unveiled a banner urging him to "lead the change on...

In public NATO speaks soothingly of disarmament and non-proliferation. But there is another face to NATO we don't often see, the warlike one of a well-armed nuclear force. In the firm grasp of the US, this shadowy face is being tilted toward a...

Greenpeace lit up central Prague for the past two evenings with giant projected slogans reminding the public, media and energy decision makers about the risks of nuclear power versus the benefits of clean energy. We illuminated Prague; we were...