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  2. Visa requirements for Portuguese citizens - Wikipedia

    en.wikipedia.org/wiki/Visa_requirements_for...

    Visa requirements for Portuguese citizens are administrative entry restrictions by the authorities of other states placed on citizens of Portugal. As of 2025, Portuguese citizens have visa-free or visa on arrival access to 188 countries and territories, ranking the Portuguese passport 4th in the world according to the Henley Passport Index .

  3. Visa policy of Singapore - Wikipedia

    en.wikipedia.org/wiki/Visa_policy_of_Singapore

    A 63-days short term multiple entry Singapore e-visa in 2022. Singapore no longer endorses any sticker visas or passport stamps in any travel documents. hold a passport or a travel document valid for more than 6 months at the time of departure, [5] hold an onward or return ticket; [5] have sufficient funds for the duration of stay in Singapore; [5]

  4. Visa requirements for Singapore citizens - Wikipedia

    en.wikipedia.org/wiki/Visa_requirements_for...

    Timeline (expansion of visa privileges) No historical visa requirements: Brunei (visa-free); Indonesia (visa-free); Ireland (visa-free); Schengen Area (European Union + Iceland, Liechtenstein, Monaco, Norway, San Marino, Switzerland, and Vatican City; applies to Bulgaria, Croatia, Cyprus, and Romania; excludes Ireland) (visa-free); United Kingdom (visa-free)

  5. Visa policy of the Schengen Area - Wikipedia

    en.wikipedia.org/wiki/Visa_policy_of_the...

    Russia – In 2014, the EU suspended talks for visa-free travel with Russia as a result of the War in Donbas. [170] In 2019, German officials suggested a visa-free regime for young Russians. [171] In 2022, the EU fully suspended its visa facilitation agreement with Russia as a result of the Russian invasion of Ukraine. [172]

  6. Portuguese Environment Agency - Wikipedia

    en.wikipedia.org/wiki/Portuguese_Environment_Agency

    The Portuguese Environment Agency (APA, Portuguese: Agência Portuguesa do Ambiente) is a public institute within the scope of the Portuguese Ministry of the Environment, responsible for the implementation of environmental policies in Portugal. [1]

  7. Environmental biotechnology - Wikipedia

    en.wikipedia.org/wiki/Environmental_biotechnology

    Environmental biotechnology can simply be described as "the optimal use of nature, in the form of plants, animals, bacteria, fungi and algae, to produce renewable energy, food and nutrients in a synergistic integrated cycle of profit making processes where the waste of each process becomes the feedstock for another process".

  8. Ecotechnology - Wikipedia

    en.wikipedia.org/wiki/Ecotechnology

    Ecotechnology is an applied science that seeks to fulfill human needs while causing minimal ecological disruption, by harnessing and manipulating natural forces to leverage their beneficial effects. Ecotechnology integrates two fields of study: the ' ecology of technics' and the 'technics of ecology,' requiring an understanding of the ...

  9. Portugal Golden Visa - Wikipedia

    en.wikipedia.org/wiki/Portugal_Golden_Visa

    The Portugal Golden Visa is an immigrant investor program by the government of Portugal that grants residency to individuals who make qualifying investments such as investment fund subscriptions, business and job creation, scientific research, or cultural heritage support.