Results 121 to 130 of about 60,527 (222)

Assessing the Impact of Cowpea and Sorghum Research and Extension in Northern Cameroon [PDF]

open access: yes
Throughout Africa, per capita food production has been declining since the early 1960s. Cameroon has sought to counter this trend by increasing agricultural productivity through research and extension.
Bernsten, Richard H., Sterns, James A.
core   +1 more source

Export restraints on russian natural gas and raw timber : what are the economic impacts ? [PDF]

open access: yes
Export restraints by the Russian Federation on natural gas and timber have been the source of major controversy between the European Union and the Russian Federation.
Tarr, David G.
core  

The Nord Stream pipeline gas leaks released approximately 220,000 tonnes of methane into the atmosphere. [PDF]

open access: yesEnviron Sci Ecotechnol, 2022
Jia M   +12 more
europepmc   +1 more source

Nord Stream 2 -kaasuputken energiaturvallisuus: Policy-analyysi Suomen ja neljän muun valtion suhtautumisesta Nord Stream 2 -hankkeeseen

open access: yes, 2018
Suomalainen ja kansainvälinen tutkimus ei ole vielä kovinkaan syvällisesti tarkastellut energiaturvallisuutta ja sitä, miten se tulisi ymmärtää. Aikaisempi tutkimus on keskittynyt lähtökohtaisesti vain erilaisten energiamuotojen teknisiin ja fyysisiin ominaisuuksiin.
openaire   +1 more source

Catchment Productivity Controls Local Species Richness of Hyporheic Invertebrate Communities in Tropical New Caledonia Streams. [PDF]

open access: yesEcol Evol
Mouron S   +9 more
europepmc   +1 more source

Nord Stream methane leaks spread across 14% of Baltic waters. [PDF]

open access: yesNat Commun
Mohrmann M   +4 more
europepmc   +1 more source

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