Some advocates of drastic greenhouse gas controls claim that the costs of global warming are underestimated and that a proper accounting of the full costs raises the specter of economic and political instability, conflict and mass migration as weak governments in developing countries with low...

The state-of-the-art British-sponsored fasttrack assessment of the global impacts of climate change, a major input to the much-heralded Stern Review on the Economics of Climate Change, indicates that through the year 2100, the contribution of climate change to human health and environmental...

The precautionary principle has been invoked to justify a policy of aggressive greenhouse gas (GHG) emission controls that would go beyond "no regrets" actions to reduce global warming. However, this justification is based upon selectively applying the principle to the potential public health...

The precautionary principle has sometimes been used to justify banning new technologies, such as genetically modified crops, that haven't been proved to be "safe" from an environmental or public health perspective. Such a ban would reduce some environmental and public health risks, while...