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This article reconsiders the debates which took place during the conference "Between knowledge and action: cross perspectives on climate and environmental issues" held in December 2016 at the Centre national d'études spatiales headquarters in Paris. Climatologists sometimes mention feeling a certain indifference of the human and social sciences vis-à-vis their calls for mobilization in defense of the "climate cause". Recent research programs have stimulated cooperation between researchers from various disciplines thus making participants aware of the interest of a continuous confrontation between their different approaches. This critical synthesis reports on the main lessons of the meeting and invites to move forward by considering climatology as a formal social science that could link axiomatic and metrological reasoning on data with phenomenology and social investigations "on the ground". [ABSTRACT FROM AUTHOR]

The issue of low doses has a long history, initially stemming from radioactivity. It can be followed up through a series of metrological controversies about risk assessment on environmental health issues. Building on recent developments of public policy around the hazards linked to endocrine disruptors, this paper offers an exploration of different epistemic logics shaping research and expertise circles involved in low doses issues. Relying on a literature review, participative observation and a series of interviews with experts, this paper examines cognitive and technical supports used by the experts, and strives to depict the pragmatic conditions of a so-called "paradigm shift", purported to reshape the key concepts and tools of toxicology for the 21th century. [ABSTRACT FROM AUTHOR]