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  • Aviation

    Carbon Offsetting for All Easyjet Flights

    Background Easyjet is offsetting carbon dioxide emissions from all of its flights by planting trees and funding solar PV generation schemes in India. We consider the extent to which this will benefit the environment and how Easyjet’s environmental performance compares with other airlines. Is offsetting the answer? Offsetting will involve…

  • Aviation
    green aviation

    Flocking Green Aviation

    Introduction By flying in formation migrating birds fly more efficiently and expend less energy. Experiments with commercial aircraft have demonstrated that formation flying can reduce fuel consumption by around 10%. We consider some of the practical challenges airlines face before the cost and environmental benefits of formation flying can be…

  • Construction
    london's greenest building
    ConstructionTall Building Development

    London’s Greenest Building

    Background Fuel and Power for commercial buildings accounts for 6.3% of worldwide greenhouse gas emissions. We examined the world’s greenest buildings and thought we would showcase one judged to be greenest. The building is Bloomberg’s European HQ in London which was designed by Norman Foster. Figure 1 Bloomberg’s European HQ…

  • Renewables
    carbon taxes

    Time for Carbon Tax?

    Background Governments tax things that are bad for us. This reduces the amount we do bad things and gives money to the government to do good things. Classic examples are taxes on cigarettes and vodka as well as London’s congestion charge. To my mind taxing carbon emissions has always seemed…

  • Energy Policy
    Energy PolicyRenewables

    Election 2019 – Renewable Energy Ranking

    Background We review party manifestos to find the strongest renewable energy supporters. We looked at how much each party had to say on renewable energy; when they plan for zero net carbon emissions and specific policies for renewables, wind and solar. We then ranked them accordingly. Brexit Party – Dismal…

  • Aviation
    fuel tankering

    How Bad is Fuel Tankering?

    Background British Airways and other airlines have been suffering bad press lately because of an economic practice that results in increased fuel consumption and carbon dioxide emissions. Aircraft take on extra fuel where its cheap thus buying less where fuel is expensive. This means they are sometimes flying with tonnes…

  • Uncategorized
    south africa renewables

    South Africa Integrated Resource Plan 2019

    Background  The Department of Energy published the Integrated Resource Plan (IRP) 2019, on Friday, 18 October. The IRP outlines the 2030 roadmap for the South African energy sector highlighting that South Africa energy sector will pursue the following targets:  Reliable and efficient energy service; Generate electricity at competitive rates; Is…

  • Solar
    PV glare

    Is solar development a safety hazard?

    Introduction Solar photovoltaic (PV) developers in the UK, Ireland and elsewhere in the world are very familiar with objections on the grounds of glint and glare. This applies to commercial scale development and residential rooftop panels alike. Concerns for road users are around safety – with the worry being that…

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