Results 21 to 30 of about 469,071 (291)

Primeiro registro de madeira de annonaceae para o neógeno da América do Sul, Bacia do Amazonas, Brasil [PDF]

open access: yes, 2016
The relief of the regions of Manaus and Itacoatiara,Central Amazon, is supported by Neogene siliciclastic rocks, boundedat the base and top by lateritic paleosols and covered by quaternary sedimentarydeposits from the Solimões-Amazon river system.
Amaral Soares, Emilio Alberto   +5 more
core   +1 more source

A new record of fossil wood of Vochysiaceae from the Upper Pleistocene (Arroyo Feliciano Formation), Argentina, South America [PDF]

open access: yes, 2015
A new species of Qualeoxylon Suguio & Mussa is described from the Late Pleistocene Arroyo Feliciano Formation of the Gualeguay Basin on eastern Argentina.
Brea, Mariana, Moya, Eliana Vanesa
core   +1 more source

Pollution from Fossil-Fuel Combustion is the Leading Environmental Threat to Global Pediatric Health and Equity: Solutions Exist

open access: yesInternational Journal of Environmental Research and Public Health, 2017
Fossil-fuel combustion by-products are the world’s most significant threat to children’s health and future and are major contributors to global inequality and environmental injustice.
F. Perera
semanticscholar   +1 more source

Life cycle assessment of bio-based and fossil-based plastic: A review

open access: yesJournal of Cleaner Production, 2020
This review assesses the state-of-the-art in comparative Life Cycle Assessment of fossil-based and bio-based polymers. Published assessments are critically reviewed and compared to the European Union Product Environmental Footprint (EU PEF) standards. No
S. Walker, R. Rothman
semanticscholar   +1 more source

O Ensino da Paleontologia nos Anos Iniciais: explorando o imaginário infantil por meio de imagens

open access: yesRevista Insignare Scientia, 2023
A Paleontologia possui importante papel a cumprir, contribuindo na produção e na disseminação do conhecimento, auxiliando na compreensão de processos naturais vistos como complexos, ou, ainda, colaborando na formação de cidadãos críticos e atuantes ...
Ruben Alexandre Boelter   +1 more
doaj  

O Capitalismo Fóssil e seu Ambiente Social e Natural

open access: yesBaru, 2017
um conjunto de quatro dinâmicas estão na base do capitalismo: primeiramente, a “racionalidade europeia de dominação do mundo”, explicitadas em dispositivos técnicos e competências organizacionais, descritas na obra de Max Weber; segundo, a “grande ...
Elmar Altvater
doaj   +1 more source

Assessment of hydrogen direct reduction for fossil-free steelmaking

open access: yesJournal of Cleaner Production, 2018
Climate policy objectives require zero emissions across all sectors including steelmaking. The fundamental process changes needed for reaching this target are yet relatively unexplored. In this paper, we propose and assess a potential design for a fossil-
Valentin Vogl, Max Åhman, L. Nilsson
semanticscholar   +1 more source

Late Pleistocene echimyid rodents (Rodentia, Hystricognathi) from northern Brazil

open access: yesAnais da Academia Brasileira de Ciências, 2016
Echimyidae (spiny rats, tree rats and the coypu) is the most diverse family of extant South American hystricognath rodents (caviomorphs). Today, they live in tropical forests (Amazonian, coastal and Andean forests), occasionally in more open xeric ...
THAIS M.F. FERREIRA   +4 more
doaj   +1 more source

Note on the paleobiogeography of Compsognathidae (Dinosauria: Theropoda) and its paleoecological implications

open access: yesAnais da Academia Brasileira de Ciências, 2014
The paleobiogeography of the theropod clade Compsognathidae is here reaccessed in order to test the hypothesis of this taxon being adapted specifically to inhabit semi-arid environments.
MARCOS A.F. SALES   +2 more
doaj   +1 more source

New record of Abelisauroid Theropods from the Bauru group (upper cretaceous), São Paulo State, Brazil [PDF]

open access: yes, 2014
Isolated bones of abelisauroid theropods from the Bauru Group (Late Cretaceous, Brazil), are described. They correspond to three individuals represented by fused ischia and part of the ilium, a partial axis, and a right fi bula, respectively. The fossils
Iori, Fabiano V.   +2 more
core   +1 more source

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