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Sat Oct 25 22:37:37 SAST 2014

Anti-science threatens the world

Sapa-AFP | 21 February, 2012 08:53
An image of the earth taken from space. File picture
Image by: NASA / REUTERS

A stark theme emerged from an annual scientific get-together in Vancouver: the world must be helped to believe in science again or it could be too late to save our planet.

Science is "under siege," top academics and educators were warned repeatedly at the American Association for the Advancement of Science meeting as they were urged to better communicate their work to the public.

Scientific solutions are needed to solve global crises -- from food and water shortages to environmental destruction -- "but the public now does not understand science," leading US climate change expert and Nasa scientist James Hansen told the meeting.

"We have a planetary emergency, and very few people recognise that."

The theme of the five-day meeting, attended by some 8,000 scientists from 50 countries, was "Flattening the world: Building a global knowledge society."

"It's about persuading people to believe in science, at a time when disturbing numbers don't," said meeting co-chair Andrew Petter, president of Simon Fraser University in this western Canadian city.

Experts wrangled with thorny issues such as censorship, opposition from religious groups in the United States to teaching evolution and climate change, and generally poor education standards.

"We have to plan for a future, considering the risk of climate change, with nine to 10 billion people," said Hans Rosling, a Swedish public health expert famous for combating scientific ignorance with catchy YouTube videos.

Rosling, pointing to charts showing how human populations changed with technology and how without science the majority of a family's children die, said it is naive to think that humanity can easily go backward in history.

"I get angry when I hear people say: 'In the rainforest people live in ecological balance.' They don't. They die in ecological balance," he said.

Outgoing AAAS president Nina Fedoroff, a renowned expert on life sciences and biotechnology, said a growing anti-science attitude "probably lies in our own psyche."

"Belief systems, especially when tinged with fear, are not easily dispersed with facts," she said, noting that in the United States "fewer people 'believe' in climate change each year."

Her remarks held particular resonance for the scientific community, coming as US President Barack Obama faces a fierce attack from a potential Republican challenger for the allegedly "phony theology" behind his environmental policy.

"I refer to global warming as not climate science, but political science," Christian conservative Rick Santorum, who is soaring ahead in the Republican race to take on Obama in November, said at a campaign stop Monday in Ohio.

Skepticism and denial of climate change still run strong in the United States, with polls showing a nation divided on the threat posed by global warming.

During the AAAS meeting, there was a new development abroad in the controversy over whether research by American and Dutch scientists on a mutant form of the bird flu virus -- which is potentially capable of spreading in humans -- should be made public.

Bird flu experts at the World Health Organization meeting in Geneva last week agreed that the controversial research should be made public at some time in the future after more risk analysis is done.

In the meantime, a moratorium on further studies has been extended.

Last year, American authorities asked scientists not to publish details of their research for fear the information could fall into the wrong hands and unleash a lethal flu pandemic.

"I would not be in favor of stopping the science," Fedoroff said in Vancouver. "The more we know about something, the better prepared we are to deal with unexpected outcomes."

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