Publication details

Exploring the planetary boundary for chemical pollution

Authors

DIAMOND Miriam L. DE WIT Cynthia A. MOLANDER Sverker SCHERINGER Martin BACKHAUS Thomas LOHMANN Rainer ARVIDSSON Rickard BERGMAN Ake HAUSCHILD Michael HOLOUBEK Ivan PERSSON Linn SUZUKI Noriyuki VIGHI Marco ZETZSCH Cornelius

Year of publication 2015
Type Article in Periodical
Magazine / Source Environment International
MU Faculty or unit

Faculty of Science

Citation
Web http://www.sciencedirect.com/science/article/pii/S0160412015000288
Doi http://dx.doi.org/10.1016/j.envint.2015.02.001
Field Environment influence on health
Keywords Planetary boundary; Chemical pollution; Chemical emissions; Stockholm Convention; Tipping point; Global threshold; Pollution controls; Ecosystem health protection; Human health protection; Chemical management
Description Rockstrom et al. (2009a, 2009b) have warned that humanity must reduce anthropogenic impacts defined by nine planetary boundaries if "unacceptable global change" is to be avoided. Chemical pollution was identified as one of those boundaries for which continued impacts could erode the resilience of ecosystems and humanity. The central concept of the planetary boundary (or boundaries) for chemical pollution (PBCP or PBCPs) is that the Earth has a finite assimilative capacity for chemical pollution, which includes persistent as well as readily degradable chemicals released at local to regional scales, which in aggregate threaten ecosystem and human viability. The PBCP allows humanity to explicitly address the increasingly global aspects of chemical pollution throughout a chemical's life cycle and the need for a global response of internationally coordinated control measures. We submit that sufficient evidence shows stresses on ecosystem and human health at local to global scales, suggesting that conditions are transgressing the safe operating space delimited by a PBCP. As such, current local to global pollution control measures are insufficient. The normative nature of a PBCP presents challenges of negotiating pollution limits amongst societal groups with differing viewpoints. Thus, a combination of approaches is recommended as follows: develop indicators of chemical pollution, for both control and response variables, that will aid in quantifying a PBCP(s) and gauging progress towards reducing chemical pollution; develop new technologies and technical and social approaches to mitigate global chemical pollution that emphasize a preventative approach; coordinate pollution control and sustainability efforts; and facilitate implementation of multiple (and potentially decentralized) control efforts involving scientists, civil society, government, non-governmental organizations and international bodies.

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