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Reuse or let die. Crucial for life but threatening if in excess: the nutrient challenge
Reuse or let die. Crucial for life but threatening if in excess: the nutrient challenge
Nutrients like nitrogen, phosphorus, and potassium are  a double-edged sword . As key components of fertilizers, they are  essential for life on Earth, but become a threat to human health and the environment when they are in excess and run off into water courses and wastewater.
Being human to be Smart: the cities’ challenge in the AI era
Being human to be Smart: the cities’ challenge in the AI era
It’s all about connection. This is the key to making a city “smart”, say the smart people working on the subject. And by “connection”, they mean not only the technological kind but especially the human one.
The charge of the electric brigade
The charge of the electric brigade
European cities are well aware that transport is a leading emitter of GHGs (Greenhouse Gas, a 33% share in 2019, according to the IEA , International Energy Agency), so decarbonisation of public transport systems is a key component of net-zero carbon strategies.
Back to nature: how green solutions are reshaping city landscapes
Back to nature: how green solutions are reshaping city landscapes
In his song ‘ Concrete Jungle ’, the reggae legend Bob Marley sang wistfully about being trapped in a dense and oppressive urban environment ‘where the living is hardest’, all the while longing for the ‘sweet life’.
Life cycle assessments reveal electric vehicle roll out hazards
Life cycle assessments reveal electric vehicle roll out hazards
A new report by Gothenburg, Sweden-headquartered carmaker Volvo shows that electric vehicles must still overcome big environmental challenges, even as they reduce greenhouse gas emissions .
Sharing power to foster renewables: the cooperatives model
Sharing power to foster renewables: the cooperatives model
María Regidor co-owns a mini-hydro power plant in Spain, which produces part of the electricity provided to the residents of the Castile and León region.
An intelligent app to teach people energy efficiency
An intelligent app to teach people energy efficiency
Energy demand is growing across many countries in the world as populations increase and people get richer. In fact, global energy consumption has risen nearly every year for more than half a century.
Cover Photo by Endri Killo on Unsplash
Pollinators play role in renaturing our cities
What do cucumber, almonds, onions and avocados have in common? Besides being potential ingredients for your next salad, all those plants need pollinators to reproduce : animals that move pollen from the male part of the flower to the female one.
Brexit and the UK’s decarbonisation efforts: a hit or a miss?
Brexit and the UK’s decarbonisation efforts: a hit or a miss?
In the summer 2019 Britain was the first G7 member to incorporate a new commitment to reach net zero greenhouse gas emissions by 2050 into law. Since then the country has maintained ambitious green targets for the coming years.
Women: energy empowerment
Women: energy empowerment
To date we know very little about the specific circumstances and factors that might impact women’s involvement in the transition to clean energy .
Last trends in energy-saving applications
Last trends in energy-saving applications
From home automation to bill management, our relationship with the electric systems in buildings is nowadays mainly based on the use of applications .
Renaturing cities: good for health and the economy
Renaturing cities: good for health and the economy
Would you enjoy a city full of parks, where streets were tree-lined, where cycling and walking were pleasant, a city with grass-insulated roofs on houses and public buildings to keep you warm in winter? According to a Eurobarometer study , there is an 84 per cent chance that your answer is yes.
Energy's got game
Energy's got game
Playing games could be a solution to saving energy. Using energy more efficiently is, of course, a crucial part of fighting climate change, since oil and fossil fuels continue to be the most important energy source in the world, including Europe .
Home sweet (hemp) home
Home sweet (hemp) home
Building with wood, straw, and hemp. Biobased materials are seeing ever more use in the construction sector, which needs to become more sustainable as it is one of the major sources of soil, air and water pollution.
Saving lives during cancer surgery by separating the good from the bad
Saving lives during cancer surgery by separating the good from the bad
Identifying healthy from diseased tissue poses a unique problem for cancer surgeons. Even the smallest bits of a tumour left behind during surgery can regrow and spread to other organs, a deadly phenomenon called metastasising.
Electric mobility: opportunities and challenges
Electric mobility: opportunities and challenges
Greenhouse gases decreased by 23% between 1990 and 2016, said the third report on the state of the “Energy Union”, which tracks the EU's transition to a low-carbon society.
Offshore wind farms: too much energy is lost in cables
Offshore wind farms: too much energy is lost in cables
Offshore wind farms play an increasingly important role in renewable power generation. According to WindEurope, Europe now has a total installed offshore wind capacity of 15,780 MW.
How machines can learn from human behaviour
How machines can learn from human behaviour
Could a human behaviour simulator be embedded into a robot or online avatar to the point that it’s hard to distinguish between a real person or artificial intelligence? Scientists have been upping the stakes in this “ Turing test ” for years, to the point that human-mimicking programmes are ready to answer tricky questions, assist people with online shopping or be companions.
How can smart cities finance their transformation?
How can smart cities finance their transformation?
Local governments in Europe are notoriously risk averse, city council officials and industry leaders won’t hesitate to tell you.
Bio-homes to tackle the housing emergency
Bio-homes to tackle the housing emergency
Bristol is at the forefront of high-tech innovation in the UK, named European green capital in 2015. But it is also the second least affordable major British city housing-wise only after London.
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