The Amazon region has been undergoing profound transformations since the late '70s through forest degradation, land use changes and effects of global climate change. The perception of such changes by local communities is important for risk analysis and for subsequent societal decision making. In this study, we compare and contrast observations and perceptions of climate change by selected Amazonian communities particularly vulnerable to alterations in precipitation regimes. Two main points were analysed: (i) the notion of changes in the annual climate cycle and (ii) the notion of changes in rainfall patterns. About 72% of the sampled population reports perceptions of climate changes, and there is a robust signal of increased perception with age. Other possible predictive parameters such as gender, fishing frequency and changes in/planning of economic activities do not appear overall as contributing to perceptions. The communities' perceptions of the changes in 2013-2014 were then compared to earlier results (2007-2008), providing an unprecedented cohort study of the same sites. Results show that climate change perceptions and measured rainfall variations differ across the basin. It was only in the southern part of the Amazon that both measured and perceived changes in rainfall patterns were consistent with decreased precipitation. However, the perception of a changing climate became more widespread and frequently mentioned, signalling an increase in awareness of climate risk.

The Semi-Arid region of Brazil (SAB) has been periodically affected by moderate to extreme droughts, jeopardizing livelihoods and severely impacting the life standards of millions of family farmers. In the early 1990s the Human Coexistence with Semi-Aridity (HCSA) emerged as a development approach. The debate on HCSA is limited to Brazilian literature but as a technological and a bottom-up governance experience, researches on the topic could add some insights to international debate on living with drought. The present paper adopts an historical perspective on HCSA before discussing the main HCSA's rainwater-harvesting methods found in two case studies in the SAB as a local appropriate and advanced technological package for achieving Sustainable Development Goals (SDG). Qualitative analysis of 32 semi-structured interviews with key local stakeholders, 29 unstructured interviews with family farmers, and surveys in 499 family farms are used. The results show that regardless the highly adaptive potential, the technologies are adopted in differ rates among them and in between case studies chosen, influenced by non-technological factors and interacting the broader public policies context. Scaling up the HCSA's technologies in the rural SAB is a development path towards the SDGs.

This article aims to understand the relationships between rural–urban mobility and economic differentiation in Amazonian communities, through a multi‐scaled methodological framework. We focus on Amazonian quilombola communities (Pará State, Brazil), and we use a rural–urban circulation index to untangle the concept of mobility system. We show that individual mobility patterns are embedded in a process of multilocalisation, articulating rural and urban areas at a collective level. Economic diversification relies on complementarity of circulation within households. In this sense, the ability of some families to maintain resource rights in different places is one of the premises for economic differentiation.

During the last 20 years, the Amazon region has been at the same time a place of massive ecological and social change and a laboratory of experiments aimed at promoting sustainable development. Policies and project initiatives involving diverse social groups and environmental contexts have been implemented across the region. They have resulted in mixed outcomes and trade-offs between social and environmental dimensions, making their impact at the local level difficult to assess and their successes difficult to generalize. The objective of the DURAMAZ research project was to provide a better understanding of these impacts. It produced a multi-dimensional indicator system designed to allow a holistic view of sustainable development at local and subregional levels and a comparative perspective across 12 research sites, from an isolated indigenous village to smallholders and agribusiness areas in Mato Grosso. The results of the first observation campaign (2007–2009) show that despite the claim of promoting sustainable development, no project was able to untie the ‘Gordian knot’ of development in the Amazon. Communities continue to face the old dilemma of either enjoying a preserved ecosystem but enduring adverse life conditions, or enjoying better living at the expense of forest cover. Another finding is that the subregional context is very important in shaping the impacts of regional policies. Thus, the same policy will not always have the same effect, depending on in which context it is applied. Finally, we found that cultural factors and a sense of place play a more important role than economic factors when it comes to the way people evaluate their own situation. This research provides the basis for a second phase of the project (2012–2016) in which we will continue to expand our sample and to refine our methodologies with the goal of transforming the initiative into a network of observatories of sustainable development in the Amazon.

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Since 1992, a boom of "sustainable development projects" has been registered in the Brazilian Amazon, turning it into a kind of open-air laboratory for sustainability. But their real impacts remain unclear, especially because of inadequate evaluation tools. A new device is therefore needed to unveil the inner mechanisms of development aid despite the difficulties linked with the diversity of contexts or the heterogeneity in the relevant parameters. Those are the challenges we met when we engaged in comparing the impacts of sustainable development programs in 13 sites throughout the Brazilian Amazon in order to identify determining factors of sustainability. To achieve our objective, we conceived an indicator system based on the results of intensive fieldwork, including social, economic, environmental, and biographical issues. Our results show that the most prominent problem of sustainability--evaluation of effectiveness--has not been tackled; life conditions and environmental preservation continue to appear antagonistic. At the same time, variability appears among outwardly coherent social groups, showing that a case-to-case approach is definitely indispensable and confirming the need to go "beyond panaceas" to find resolutions. This article successively addresses three points. First, we present the starting point of our research, or how the Amazon region was turned into a laboratory for sustainability and how our research project aimed at analyzing the consequences of this trend. Second, we discuss how available indicator systems fail to respond to the need for a multidimensional evaluation at the local level and, therefore, how we constituted our own analytical tool. Third, we focus on some results that can be derived from our system, especially in terms of identifying key factors needed to achieve sustainability in the Amazon

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the assumption that they would maintain their traditional way of life, with low impact on the ecosystems (Diegues, 1996). On the other hand, they are more and more connected to global markets and information technology, and have access to a greater mobility. They face the challenge of improving their living conditions by developing their economic activities. Globalization in this sense should not be understood as a single threat. Isolated forest communities have acquired the chance to access better rural living conditions. But traditional communities are confronted by a "double bind" situation: economic development and the extension of contemporary ecological ideology.