Physicists at the University of Zurich have developed an amazingly simple device that allows heat to flow temporarily from a cold to a warm object without an external power supply. Intriguingly, the process initially appears to contradict the fundamental laws of physics. If you put a teapot of boiling water on the kitchen table, it
Researchers have used liquid metals to turn carbon dioxide back into solid coal, in a world-first breakthrough that could transform our approach to carbon capture and storage. The research team led by RMIT University in Melbourne, Australia, have developed a new technique that can efficiently convert CO2 from a gas into solid particles of carbon.
A silver lining of global warming is that it is forcing every nation to rethink its future, to open its mind to new possibilities. The latest IPCC report gives the world only 12 years to radically cut greenhouse gas emissions or condemn future generations to climate change catastrophe. There is no choice but to act.
The electricity sector continued to improve its carbon intensity in 2018 due to increased renewable energy and natural gas power generation and investments in energy efficiency, even as a stronger economy and volatile weather boosted energy demand and contributed to a rise in economy-wide carbon dioxide (CO₂) emissions. Consumers experienced near record low energy costs
SIDA, the Swedish International Development Cooperation Agency, is halfway through a 5-year commitment to bringing off-grid solar power to Zambia, one of the many countries that make up sub-Saharan Africa, where 70% of the people have no access to a functioning electrical grid. Those that do are often bedeviled with frequent interruptions of service and
Artificial leaves mimic photosynthesis -- the process whereby plants use water and carbon dioxide from the air to produce carbohydrates using energy from the sun. But even state-of-the-art artificial leaves, which hold promise in reducing carbon dioxide from the atmosphere, only work in the laboratory because they use pure, pressurized carbon dioxide from tanks. But
Simon Fraser University and Swiss researchers are developing an eco-friendly, 3D printable solution for producing wireless Internet-of-Things (IoT) sensors that can be used and disposed of without contaminating the environment. Their research has been published as the cover story in the February issue of the journal Advanced Electronic Materials. Additionally, 3D printing can give flexibility to add or embed functions onto
Scientists have used a Nobel-prize winning Chemistry technique on a mixture of metals to potentially reduce the cost of fuel cells used in electric cars and reduce harmful emissions from conventional vehicles. The researchers have translated a biological technique, which won the 2017 Nobel Chemistry Prize, to reveal atomic scale chemistry in metal nanoparticles. These
From corporate to community - Janu Ramchandani of Kinect Energy Group, discusses how CSR initiatives can have a transformative impact on indigenous populations in areas that need help. Did you know around 1.2. billion people – almost the population of India – do not have access to electricity? And 2.8 billion have to rely on
Since 1970, catastrophic events have quadrupled (The Economist) and in the US alone, the damage caused by hurricanes and fires amounted to 306 billion dollars in 2017. It is estimated that there are approx. 20 million refugees per year as a result of natural disasters; their number exceeds that of refugees due to wars and
According to FAO estimates, by 2025 nearly 2 billion people may not have enough drinking water to satisfy their daily needs. One of the possible solutions to this problem is desalination, namely treating seawater to make it drinkable. However, removing salt from seawater requires 10 to 1000 times more energy than traditional methods of freshwater
In 1967 one gigabyte of hard drive storage space cost US$ 1m. Today it's around two US cents. Computer processing power has also increased exponentially: it doubles every two years. This is just the tip of the iceberg when it comes to technological progress in the 21st century. There have also been tremendous advances in
During a recent research project entitled “technology – the climate saviour?” the Dutch bank undertook analysis exploring the potential impact of green technologies being installed at scale across seven sectors between 2019 and 2050 – namely power, heavy industry, real estate, light-duty vehicles (LDVs), trucks, shipping and aviation. The scenario, which ING claims is “positive
For decades, scientists have searched for effective ways to remove excess carbon dioxide emissions from the air, and recycle them into products such as renewable fuels. But the process of converting carbon dioxide into useful chemicals is tedious, expensive, and wasteful and thus not economically or environmentally viable. Now a discovery by researchers at the
As Ethiopia undergoes a period of unprecedented change and reform, the Global Green Growth Institute(GGGI) is partnering with the Ethiopian government to try and ensure this vital period of transition includes the country embracing sustainable growth and avoiding the environmental mistakes made by Western nations. The basis of this effort comes from GGGI supporting the
The 2015 Paris Agreement made clear that governments, businesses and civil society need to act together to bring about positive and permanent change for a greener, more inclusive future. Since then, we’ve seen commitments, national development plans, and increased investment. We’ve seen promising investments in renewable energy infrastructure, electric vehicle deployments, and energy-efficient buildings. But
The idea that technology will fix complex and systemic problems like climate change, poverty, the housing crisis or health care is simplistic to say the least. We need a radical shift in how we live, and designing for environmental and social sustainability cannot simply be about applying new technologies to our existing models of living.
Perhaps it’s my inborn bias towards news about technology companies (in my former journalism life, I covered the high-tech industry), but my mind keeps wandering this week back to the revelation in early November that software company VMware not only plans to build a microgrid at its Palo Alto, California, headquarters, it also is teaming up
Kofi Annan, the seventh Secretary-General of the United Nations, once called extreme poverty “a threat to human security everywhere.” That might sound unlikely, especially if you’re lucky enough to have been born in a reasonably wealthy and safe environment. But the data agrees. Though we hear plenty of talk about recessions, wars, global pandemics and
An exclusive interview with Professor Xiongwei Liu, from Entrust Microgrid of the Lancaster Environment Centre in the UK, explores smart micro-grids based on hybrid DC/AC networks, for environments with renewables. What in your view are the challenges to the energy sector in Nigeria and the region? The challenges facing the energy sector in Nigeria and broad