Results 21 to 30 of about 1,436,998 (354)

Exploring Conventional Economic Viability as a Potential Barrier to Scalable Urban Agriculture: Examples from Two Divergent Development Contexts

open access: yesHorticulturae, 2022
Urban Agriculture (UA) is the widespread practice of food production within available city space using non-commercial, commercial and hybrid production technologies. The economic viability of UA remains a concern among UA practitioners. To investigate UA’
Arun Kafle, James Hopeward, Baden Myers
doaj   +1 more source

Opportunities and challenges for the sustainability of lakes and reservoirs in relation to the sustainable development goals (SDGs) [PDF]

open access: yes, 2019
Emerging global threats, such as biological invasions, climate change, land use intensification, and water depletion, endanger the sustainable future of lakes and reservoirs.
Goethals, Peter, Ho, Long Tuan
core   +2 more sources

A comprehensive review and analysis on CO2 heat pump water heaters

open access: yesEnergy Conversion and Management: X, 2022
In the context of the Montreal Protocol, CO2 is considered as an appropriate natural refrigerant with an Ozone Depletion Potential (ODP) of zero and a Global Warming Potential (GWP) of one. A CO2 heat pump water heater (HPWH) can provide hot water with a
Ji Wang   +5 more
doaj   +1 more source

Optimisation of Storage for Concentrated Solar Power Plants

open access: yesChallenges, 2014
The proliferation of non-scheduled generation from renewable electrical energy sources such concentrated solar power (CSP) presents a need for enabling scheduled generation by incorporating energy storage; either via directly coupled Thermal Energy ...
Luigi Cirocco   +4 more
doaj   +1 more source

Forest soil biotic communities show few responses to wood ash applications at multiple sites across Canada

open access: yesScientific Reports, 2022
There is interest in utilizing wood ash as an amendment in forestry operations as a mechanism to return nutrients to soils that are removed during harvesting, with the added benefit of diverting this bioenergy waste material from landfill sites. Existing
Emily Smenderovac   +12 more
doaj   +1 more source

Modelling the Benefits and Impacts of Urban Agriculture: Employment, Economy of Scale and Carbon Dioxide Emissions

open access: yesHorticulturae, 2023
This paper examines the social, economic and environmental potential of Urban Agriculture (UA) based on information from forty distinct locations in each of the two regions: Adelaide, South Australia and Kathmandu Valley, Nepal, representing the diverse ...
Arun Kafle, James Hopeward, Baden Myers
doaj   +1 more source

PCBs in lake Geneva (Lake Leman) fish [PDF]

open access: yesBulletin of Environmental Contamination and Toxicology, 1982
PCBs in Lake Geneva (Lake Leman ...
Monod, Gilles, Keck, G
openaire   +4 more sources

Light attenuation characteristics of glacially-fed lakes [PDF]

open access: yes, 2014
Transparency is a fundamental characteristic of aquatic ecosystems and is highly responsive to changes in climate and land use. The transparency of glacially-fed lakes may be a particularly sensitive sentinel characteristic of these changes.
Allan, Mathew Grant   +8 more
core   +2 more sources

Storm impacts on phytoplankton community dynamics in lakes

open access: yesGlobal Change Biology, 2020
In many regions across the globe, extreme weather events such as storms have increased in frequency, intensity, and duration due to climate change. Ecological theory predicts that such extreme events should have large impacts on ecosystem structure and ...
J. Stockwell   +38 more
semanticscholar   +1 more source

Landscape design: Integrating ecological, social, and economic considerations into conservation planning

open access: yesWildlife Society Bulletin, 2016
Landscape design is a conservation planning process, described in the landscape ecology literature, proposed to rectify the knowledge and implementation gap in planning that have limited the effectiveness of many conservation planning efforts.
Anne M. Bartuszevige   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy