Results 21 to 30 of about 3,363,666 (289)

Mars climate engineering using orbiting solar reflectors [PDF]

open access: yes, 2009
The manned mission is seen as a first step towards a Mars surface exploration base-station and, later, establishing permanent settlement. The location and use of Mars's natural resources is vital to enable cost-effective long-duration human exploration ...
C. Sagan   +17 more
core   +1 more source

ENERGY RESOURCES DECREASE AND IT IS NECESSARY TO CONSERVE AND SAVE THEM [PDF]

open access: yesAnalele Universităţii Constantin Brâncuşi din Târgu Jiu : Seria Economie, 2022
Primary energy sources are realized through Romania's internal production as well as through imports. The current evolution of the world economy, European and, of course, in Romania, has determinedthe es of the heating of energy prices. In this context,
CONSTANTIN ANGHELACHE   +2 more
doaj  

World energy resources

open access: yesEPJ Web of Conferences, 2015
As energy is the main “fuel” for social and economic development and since energy-related activities have significant environmental impacts, it is important for decision-makers to have access to reliable and accurate data in an user-friendly format.
Clerici A., Alimonti G.
doaj   +1 more source

Global impacts of energy demand on the freshwater resources of nations [PDF]

open access: yes, 2015
The growing geographic disconnect between consumption of goods, the extraction and processing of resources, and the environmental impacts associated with production activities makes it crucial to factor global trade into sustainability assessments. Using
Ann Muggeridge   +21 more
core   +1 more source

Productive resources in students’ ideas about energy: An alternative analysis of Watts’ original interview transcripts [PDF]

open access: yes, 2013
For over 30 years, researchers have investigated students’ ideas about energy with the intent of reforming instructional practice. In this pursuit, Watts contributed an influential study with his 1983 paper “Some alternative views of energy” [Phys. Educ.
Flood, Virginia J.   +2 more
core   +3 more sources

Troubled Water in the Eastern Mediterranean. Turkey Challenges Greece and Cyprus Regarding Energy Resources

open access: yesComparative Southeast European Studies, 2021
The conflict between Turkey on the one hand and Greece and Cyprus on the other was exacerbated when Turkey and Libya reached an agreement on the delimitation of maritime zones to explore and exploit energy resources in late 2019.
Axt Heinz-Jürgen
doaj   +1 more source

Natural Gas vs. Electricity for Solvent-Based Direct Air Capture

open access: yesFrontiers in Climate, 2021
Removing CO2 from the air with chemicals (Direct Air Capture, DAC) requires a significant amount of energy. Here, we evaluate the cost of co-constructing a solvent DAC process with its energy system.
Noah McQueen   +4 more
doaj   +1 more source

United States Policy in the Eastern Mediterranean

open access: yesComparative Southeast European Studies, 2022
This article examines the United States’ approach to the Eastern Mediterranean. Despite reducing its military commitment and deciding to pursue a policy less inclined to use military force, the US has neither withdrawn its military presence completely ...
Yegin Mehmet
doaj   +1 more source

An assessement of global energy resource economic potentials [PDF]

open access: yes, 2012
This paper presents an assessment of global economic energy potentials for all major natural energy resources. This work is based on both an extensive literature review and calculations based onto natural resource assessment data. Economic potentials are
Mercure, JF, Salas, P
core   +4 more sources

Overview of Ecological Dynamics in Morocco – Biodiversity, Water Scarcity, Climate Change, Anthropogenic Pressures, and Energy Resources – Navigating Towards Ecosolutions and Sustainable Development [PDF]

open access: yesE3S Web of Conferences
In the context of Morocco’s rich biodiversity and pressing environmental challenges, this paper delves into the intricate dynamics of sustainable development in the country.
Arabi Mourad   +6 more
doaj   +1 more source

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