These people see the federal budget deficit, the huge debt burden and the risk of a stagflation-type environment of low growth and high inflation, and cannot understand how investors could be piling into bonds.

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"All appear committed to the concept of sustainable development - they talk the talk about responsibility to future generations to varying degrees - but it is remarkable how little is made of protecting and improving the environment as an opportunity, not a burden, " Mr Pepper said.

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By this principle, the burden of proof is on the advocates of any new technology that has the potential to cause harm to the environment of the public.

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