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While Brazil publicly committed to reduce deforestation in Amazonia at the 26th Conference of the Parties (COP26), the Brazilian parliament is moving toward weakening environmental laws. Deforestation rates continue ascending, reaching in 2021 the highest value since 2006 (13,235 km2). To overcome this paradox, strategies to curb deforestation are mandatory. The current strategy, "Plano Amazônia 21/22," prioritizes law enforcement actions to curb illegal deforestation in only 11 Amazonian municipalities. Here, we show that this prioritization is likely to be insufficient since these municipalities account for just 37% of the current deforestation rate. This strategy may also be undermined by the leakage of deforestation actions to unmonitored municipalities. Using a set of spatially explicit datasets integrated into a deforestation‐prediction modeling approach, we propose a science‐based alternative method for ranking deforestation hotspots to be prioritized by law enforcement actions. Our prioritization method accounts for more than 60% of the deforestation, detecting larger deforested areas in both private and public lands, while covering 27% less territory than "Plano Amazônia 21/22." Optimizing the detection of priority areas for curbing deforestation, as proposed here, is the first step to reducing deforestation rates and comply with the Brazilian legal commitment of 3925 km2 year−1. [ABSTRACT FROM AUTHOR]

Shared ways of thinking in Brazil about the science-practice interface in ecology and conservation We aimed to identify and describe viewpoints on how the science-practice interface should work in order to improve conservation decisions by interviewing relevant actors, both scientists (ecologists or conservation scientists) and decision makers (who rely on basic and conservation-oriented ecological knowledge to make decisions). Interactive partners thought scientists had much to learn from decision makers (e.g., viability of potential actions, administrative and political constraints) and decision makers could learn from scientists how science contributes to informed decisions. Scientists in this group had diverse levels of productivity and engagement with practice, but decision makers had engaged in the last 5 years more directly with science than decision makers from other groups (Supporting Information). Finally, although some of our results suggest negative attitudes between scientists and decision makers (e.g., detached producers criticized decision makers for misinterpreting scientific knowledge), there was general agreement that addressing cultural differences is important for linking science and practice effectively. [Extracted from the article]

It is commonly recognized that large uncertainties exist in modelled biofuel-induced indirect land-use change, but until now, spatially explicit quantification of such uncertainties by means of error propagation modelling has never been performed. In this study, we demonstrate a general methodology to stochastically calculate direct and indirect land-use change ( dLUC and iLUC) caused by an increasing demand for biofuels, with an integrated economic - land-use change model. We use the global Computable General Equilibrium model MAGNET, connected to the spatially explicit land-use change model PLUC. We quantify important uncertainties in the modelling chain. Next, dLUC and iLUC projections for Brazil up to 2030 at different spatial scales and the uncertainty herein are assessed. Our results show that cell-based (5 × 5 km2) probabilities of dLUC range from 0 to 0.77, and of iLUC from 0 to 0.43, indicating that it is difficult to project exactly where dLUC and iLUC will occur, with more difficulties for iLUC than for dLUC. At country level, dLUC area can be projected with high certainty, having a coefficient of variation (cv) of only 0.02, while iLUC area is still uncertain, having a cv of 0.72. The latter means that, considering the 95% confidence interval, the iLUC area in Brazil might be 2.4 times as high or as low as the projected mean. Because this confidence interval is so wide that it is likely to straddle any legislation threshold, our opinion is that threshold evaluation for iLUC indicators should not be implemented in legislation. For future studies, we emphasize the need for provision of quantitative uncertainty estimates together with the calculated LUC indicators, to allow users to evaluate the reliability of these indicators and the effects of their uncertainty on the impacts of land-use change, such as greenhouse gas emissions. [ABSTRACT FROM AUTHOR]

The development of transportation and energy infrastructure has been a major driver in the conversion of natural ecosystems in Brazil since the nineteenth century. Although this pattern is present in most countries, Brazil differs in the scale of opportunities that are still available to build its physical infrastructure while pursuing an ambitious conservation agenda. This advantage stems from the magnitude of intact ecosystems, a dynamic policy environment, and the increasing availability of biological and economic data needed to harmonize conservation with public works. Success depends on integrating conservation and infrastructure planning, rather than relying on the project based, largely ineffective environmental assessment process. Front-loading environmental mitigation and compensation will also help, as will improving public access to, and understanding of, information on the environmental and economic values at stake in major infrastructure decisions. [ABSTRACT FROM AUTHOR]

The Cerrado, the tropical savanna covering 22% of Brazil's territory, or approximately 1.783 million km2, has suffered significant human impacts during the past three decades. This paper re-examines estimates of Cerrado vegetation change dynamics using high-resolution satellite remote sensing data from an area of interest extracted from eastern Mato Grosso State. This region has undergone a high degree of typical agricultural development since the early 1970s. Results indicate significant loss of original vegetation as well as high levels of regeneration, suggesting Cerrado vegetation may be more resilient to human impacts than catastrophic estimations suggest. The paper concludes with a critical review of Cerrado land-cover change studies and the implications of evidence for vegetation regeneration, land-cover dynamism and land-use intensification, paying particular attention to spatial scale and research methods. The discussion concludes that Cerrado land-cover change studied at a higher resolution and larger scales (smaller area) is required to represent more effectively the complexity of land conversion for better assessment of human impacts and environmental policy. [ABSTRACT FROM AUTHOR]

This paper compares environmental policymaking in two Brazilian cities, Rio de Janeiro and Cubatão. It examines the formation of state-society synergistic interactions in the public policymaking process and their effect on long term sustainability of social mobilization. It concludes that whereas social capital can be constructed in the context of policymaking, it is critically dependent on a concerted effort from both state and society actors to build trust in their daily interactions. The Cubatão and Carioca River cases show that state-society synergy had little effect on the ability of the policy coalitions formed for pollution clean up to sustain themselves over time. Instead, there are indications that rather than a constraint, the flexible and informal nature of such coalitions may have been a critical factor in their ability to carry out policy successfully. [ABSTRACT FROM AUTHOR]

Objective. This article reviews changes in the social contexts of deforestation in the Brazilian Amazon from the 1970s to the 1990s, moving from the household to the global level. Methods. I draw on satellite imagery, state publications, farm surveys, ethnographic field work, and policy analyses for a comparative analysis that shows how land cover, agriculture, demographics, politics, and markets have changed over time. Results. Alterations in the social contexts of deforestation appear on all levels considered, from household demographic evolution and new land use strategies to a regional demographic transition and the emergence of cattle and timber economies, to a “greening” of Brazilian development policy and changes in national land markets, to multilateral bank loans for new infrastructure and local-international alliances between grassroots and environmental organizations. Conclusions. The social contexts of deforestation are very complex and changing and call for greater attention by social scientists to land cover and land use change. [ABSTRACT FROM AUTHOR]

Examines the political aspects of environmental policy making in four Brazilian states. Factors affecting environmental policy making; Personalities and institutions directly involved in environmental policy; Central features of the policy process in Parana, Curitiba, Mato Grosso and Rondonia; Dimensions of the political context of environmental policy.

Deals with the efforts of the Brazilian government in the conservation of tropical savanna species in Brazil. Development of a national policy to regulate tropical savanna exploitation; Capacity of the cerrado water deposit site; Provisions of the conservation policy.