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This article analyses the impact of COVID-19 on the rights of indigenous peoples, particularly in Brazil. It deals with the current situation of the Brazilian indigenous peoples, the impacts of the pandemic, the rights created on the adoption of protective sanitary measures for indigenous people and land rights in Brazil. Does the Brazilian government comply with international law, with constitutional rights of indigenous peoples in the current COVID-19 crisis, particularly with the Brazilian Supreme Court decision on the adoption of protective sanitary measures for indigenous people? With a focus on the 2020 Report of the Special Rapporteur on the Rights of Indigenous Peoples, this paper will identify and examine the gaps in protection of the indigenous peoples rights by reason of the impact of the COVID-19 crisis. This paper argues that the crisis is misused as an occasion for land invasions, deforestation, forest fires and the denial of basic indigenous rights. Especially in Brazil, a transformative change, an emergency support for indigenous peoples, and a still stand agreement on logging and extractive industries operating next to indigenous communities are needed. Brazilian NGO statements give guidelines as to how to manage the threats of the present pandemic on indigenous peoples of Brazil. The Inter-American Commission on Human Rights, the United Nations and the International Labour Organisation all offer further relevant suggestions as to how to address the serious impacts in the response to and the aftermath of this crisis. [ABSTRACT FROM AUTHOR]

Abstract The Energy-Water-Food Nexus is one of the most complex sustainability challenges faced by the world. This is particularly true in Brazil, where insufficiently understood interactions within the Nexus are contributing to large-scale deforestation and land-use change, water and energy scarcity, and increased vulnerability to climate change. The reason is a combination of global environmental change and global economic change, putting unprecedented pressures on the Brazilian environment and ecosystems. In this paper, we identify and discuss the main Nexus challenges faced by Brazil across sectors (e.g. energy, agriculture, water) and scales (e.g. federal, state, municipal). We use four case studies to explore all nodes of the Nexus. For each, we analyse data from economic and biophysical modelling sources in combination with an overview of the legislative and policy landscape, in order to identify governance shortcomings in the context of growing challenges. We analyse the complex interdependence of developments at the global and local (Brazilian) levels, highlighting the impact of global environmental and economic change on Brazil and, conversely, that of developments in Brazil for other countries and the world. We conclude that there is a need to adjust the scientific approach to these challenges as an enabling condition for stronger science-policy bridges for sustainability policy-making. Highlights • Overview of the Energy-Water-Food Nexus in Brazil for science, law and policy. • Review of the complex linkages in the Nexus for water, energy and food security. • Review of the law addressing the Nexus and its coordination deficiencies. • Recommendations for strengthening the Nexus science-policy bridge in Brazil. [ABSTRACT FROM AUTHOR]

Tropical deforestation in Brazil is a major source of greenhouse gas emissions that contribute to climate change. Brazil has taken several steps to reduce emissions associated with deforestation including the development of policies to promote and reward cattle ranching intensification. Intensification practices are hypothesized to reduce the conversion of tropical forests while simultaneously increasing the productivity of ranching on current pasture lands. This paper assesses the impact of intensification on the demand for productive land. A theoretical model of land use, which considers the degree of intensification in the estimation of the derived demand for pasture, is tested with data from small-scale landowners who operate dairy farms and calving operations in the greater Ouro Preto do Oeste region of Rondônia. Results suggest different trajectories for beef and dairy production. The intensification of cattle production exhibits a nonlinear relationship with the demand for productive land: first as farms become more intensive the demand for newly cleared land increases, but then decreases with further intensification. The results are different for dairy intensification, which is found to be correlated with reduced deforestation. Findings suggest that the reliance on policies that promote intensification can be a risky way of achieving climate change objectives. [ABSTRACT FROM AUTHOR]

Brazil is one of the first major developing countries to commit to a national greenhouse gas (GHG) emissions target that requires a reduction of between 36.1% and 38.9% relative to baseline emissions by 2020. The country intends to submit agricultural emissions reductions as part of this target, with livestock production identified as offering significant abatement potential. Focusing on the Cerrado core (central Brazilian savannah), this paper investigates the cost-effectiveness of this potential, which involves some consideration of both the private and social costs and benefits (e.g. including avoided deforestation) arising from specific mitigation measures that may form part of Brazil's definition of Nationally Appropriate Mitigation Measures (NAMAs). The analysis used an optimisation model to define abatement costs. A baseline projection suggests that beef production in the region will emit 2.6 Gt CO 2 e (CO 2 equivalent) from 2010 to 2030, corresponding to 9% of national emissions (including energy, transport, waste, livestock and agriculture). By implementing negative-cost measures identified in a marginal abatement cost curve (MACC) by 2030, the 2.6 Gt CO 2 e could be reduced by around 24%. Pasture restoration, involving avoided deforestation, offers the largest contribution to these results. As the Brazilian Cerrado is seen as a model for transforming other global savannahs, the results offer a significant contribution by identifying alternatives for increasing productivity while minimizing national and global external costs. [ABSTRACT FROM AUTHOR]

Fake controversies have influenced policy making on health and environmental issues for decades, resulting in major implementation setbacks worldwide. As a case study, in this paper we examine fake controversies produced by a small group of active Brazilian researchers that have seriously impacted environmental conservation, particularly in issues related to deforestation and climate change. Based on the literature, we develop a typology of strategies deployed in fake controversies, which include manufacturing uncertainty, misusing scientific credentials, and disregarding scientific literature. Afterwards, we examine the influence of this group of contrarians at the National Congress. We then analyze the fake controversies promoted by these contrarians and argue that, to properly understand them, we need to consider a strategy so far overlooked in the literature: the manufacture of "pseudo-facts", namely, affirmations at odds with the established literature but that strives to appear as scientific facts. Unlike other contexts, in which contrarians have mainly sought to cast doubt on consensual issues by arguing that there are still considerable uncertainties surrounding them, in Brazil pseudo-facts on deforestation have been produced and published outside the peer-reviewed literature. We conclude the study with recommendations on how to oppose fake scientific controversies that threaten environmental conservation in general. [ABSTRACT FROM AUTHOR]

Tropical deforestation could destabilize regional climate changes. This paper aimed to model the potential climatological variability caused by future forest vulnerability in the Brazilian Amazon over the 21th century. The underlying land surface changes between 2005 and 2100 are first projected based on the respectable output produced by Hurtt et al. Then the weather research and forecasting (WRF) model is applied to assess the impacts of future deforestation on regional climate during 2090-2100. The study results show that the forests in the Brazilian Amazon will primarily be converted into dryland cropland and pasture in the northwest part and into cropland/woodland mosaic in the southeast part, with 5.12% and 13.11%, respectively. These land surface changes will therefore lead to the significant reduction of the sum of sensible heat flux and latent heat flux and precipitation and the increase of the surface temperature. Furthermore, the variability of surface temperature is observed with close link to the deforested areas. [ABSTRACT FROM AUTHOR]

This paper analyses environment subject present in public policies for Legal Amazonia, including the Public Forests Management Law (Law 11.284/06), approved with the purpose of regulating public forests management in Brazil and promoting sustainable development. The Kyoto Protocol's Clean Development Mechanism (CDM) is suggested as a forest conservation mechanism. Through an hypothetical "zero" deforestation scenario and 100% of not emitted carbon linked to forest conservation projects, an economic revenue equivalent to the logging activities was estimated, and could be obtained in carbon market, contributing to maintenance of climatic equilibrium reducing Greenhouse Gases emissions, as well as keeping preserved biodiversity and environment services values related to standing forest. [ABSTRACT FROM AUTHOR]