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Viewfinder: Opinions from around the world

“If you sold strawberry jam that contained not a trace of strawberry you’d be in trouble.”

Pharmacologist David Colquhoun of University College London in the medical journal , slamming the UK authorities over their decision to license homeopathic treatment for bruises

“The unrest unfolding in Iran is the quintessential 21st-century conflict. On one side are government thugs firing bullets. On the other side are young protesters firing tweets.”

“The current debate about global warming is clearly harmful. I believe that it is time we demanded that the media stop scaring us and our kids silly. We deserve a more reasoned, more constructive, and less frightening dialogue.”

Self-styled “sceptical environmentalist” Bjørn Lomborg in , London

Good week for…

The Science Museum The popular London attraction celebrates its on 26 June

Bad week for…

Nuclear fusion (again) ITER, the international project to build a revolutionary energy source, is , pushing the prospect of commercial nuclear fusion even further into the future

In the polls

“1 in 3 Proportion of American children aged 6 to 11 who are afraid that the Earth will cease to exist before they grow up because of global warming and other problems”