مؤلف: Raffensperger Carolyn Raffensperger

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1 كتب إلكترونية بواسطة Raffensperger Carolyn Raffensperger

Raffensperger Carolyn Raffensperger & Tickner Joel Tickner: Protecting Public Health and the Environment
When an activity raises threats of harm to human health or the environment, precautionary measures should be taken even if some cause and effect relationships are not fully established scientifically …
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