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International climate policy has been set back by the failure to achieve a strong and legally binding agreement at the United Nations’ Climate Change Conference held in Copenhagen in December 2009.
These include, for example, strengthening disease surveillance programmes, control of vector-borne diseases, and greater and more resilient coverage of water and sanitation resources.
They also include improvements in climate-risk management, to protect health both from extreme weather events, and any long-term degradation in the environmental determinants of health, such as air quality, the availability of fresh water, and food security.
Given the allegations that are now being levelled at climate science, is this attention misplaced? The conclusion that climate change is happening, and is due mainly to human activities, is based on well-established physics, supported by a large and coherent body of theoretical and observational evidence. more than 97% of climatologists who are actively publishing on the issue, according to a recent survey in the United States of America (USA).
This is equivalent to the expert consensus that HIV causes AIDS, or that smoking is an important risk factor for lung cancer.
We (Oath) and our partners need your consent to access your device, set cookies, and use your data, including your location, to understand your interests, provide relevant ads and measure their effectiveness.Overturning any of these consensuses would require a credible alternative theory, backed by an equivalent body of peer-reviewed evidence. Nonetheless, the reported criticisms of the science are relevant, to the extent that they affect public opinion, and therefore support for policies to address climate change.For example, a recent survey in the United Kingdom showed that only 26% of the public believe that climate change is “happening and now established as largely man-made”, Opinions will vary as to how much of this disconnection between the expert assessment and public perceptions is due to failings of the scientists themselves, and how much is due to the nature of reporting on scientific findings.", but "are we proposing the most responsible actions, in the light of the best available evidence?" As with any field of public health, this requires consideration of the potential magnitude and uncertainty of the hazard, and the effectiveness, costs and risks of any proposed response, in order to identify the “best bets” for improving health, in both the short and the long-run.