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In IMMO.invent * it is necessary to filter the inventory (html table) and display the sums of a numerous filtered elements in a status bar (e.g. energy consumption, ghg emissions, floor area etc.). A function was written in javascript to perform this task. The final version of this function can be found here [1]. [1] function  htmlTableColSum() ,  https://stackoverflow.com/q/78782501/4869421 Note : adopting the above mentioned solution is done at ones own risk. * IMMOinvent is a web-based application to analyse the energy demand and potential greenhouse gas emissions of large municipal real-estate portfolios.

-- a _kt75 | reprint   Tweet Energy efficiency has been referred to as a “hidden fuel”, one that extends energy supplies, increases energy security, lowers carbon emissions and generally supports sustainable economic growth. Yet it is hiding in plain sight: In 2011, investments in the energy efficiency market globally were at a similar scale to those in renewable energy or fossil-fuel power generation. The IEA first Energy Efficiency Market Report provides a practical basis for understanding energy efficiency market activities, a review of the methodological and practical challenges associated with measuring the market and its components, and statistical analysis of energy efficiency and its impact on energy demand. It also highlights a specific technology sector in which there is significant energy efficiency market activity, in this instance appliances and information and communication technologies (ICT). The report also presents a selection of country case studie...

-- a _kt75 | reprint   Tweet There is not a single future of mobility. Transport will vary according to settlement size, geography, culture and the existing infrastructure and services that will evolve to provide future mobility. There tends to be a future view of mobility that centres around high-rise megacities and high-tech transport systems - hover cars, jet packs, railroads in the sky. This view has remained the same for almost a century - but I believe the future is oversold and under-imagined. The world's population is growing and becoming more urban. There are currently seven billion people living on the planet, with just over half in urban areas - but beware the word urban, it has no single definition and can refer to quite small settlements. Only 5% of the world's population live in megacities (using the UN definition of more than 10 million people). In Europe, two thirds of the urban population live in settlements of fewer than 500,000 people. Forecast...

-- a _kt75 | reprint   Tweet How can you design a city by designing a car? Today’s automobiles are driven by an increasing number of users who live in cities. The United Nations reported in 2007 that migration patterns and population growth have created an equal split between inhabitants of cities and rural areas for the first time in human history. This general trend will continue for the next several decades and will produce a very urbanized world. In 1950, New York City was the only megacity on the planet, with 10 million occupants. Today, there are 25 megacities that are mostly in developing countries. To verify this trend, we need only to look at the rapid urbanization in China to see the mass migration of the rural poor to urban areas for economic opportunity. Population experts project that most of the urban growth will occur in Asia and Africa for the next several decades. Simultaneously, humanity’s thirst for personal mobility will continue to grow. History ...

-- a _kt75 | reprint   Tweet Summary: Global GHG emissions continue to rise and a steady and logical shift towards the emerging countries (e.g. BRICS) is notable. That will be one of the key reasons will the recent Obama plan as well as the Germany led 'Energiewende' will fail, i.e. won't hardly result in any lowering of global warming effects. Reprint: Greenhouse gas emissions worldwide rose by 1.4 percent last year, setting a new record, according to data released Monday. The findings, from the International Energy Agency (IEA), come just weeks after scientists in Hawaii recorded carbon dioxide levels in the atmosphere higher than 400 parts per million, another modern record. The data suggests that the globe could warm well more than the two degrees Celsius that climate scientists have set as an acceptable level by the end of this century, a target towards which international negotiations are currently working. “Climate change has quite frankly slipped to the back bur...