Oceanbird cargo ship relies on wind to transport autos
The latest trend in cargo shipping has roots in a concept that's been around a while. Say, 7,000 years or so.
Energy & Green Tech
News tagged with global emissions
Energy & Green Tech
'Green steel' heating up in Sweden's frozen north
For hundreds of years, raging blast furnaces—fed with coking coal—have forged steel used in cars, railways, bridges and skyscrapers.
Apr 4, 2022
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Energy & Green Tech
Can energy-efficient federated learning save the world?
Training the artificial intelligence models that underpin web search engines, power smart assistants and enable driverless cars consumes megawatts of energy and generates worrying carbon dioxide emissions. But new ways of ...
May 7, 2021
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Engineering
New process could capture carbon dioxide equivalent to forest the size of Germany
New research suggests that around 0.5% of global carbon emissions could be captured during the normal crushing process of rocks commonly used in construction, by crushing them in CO2 gas.
Mar 13, 2023
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104
Energy & Green Tech
Breakthrough in converting CO2 into fuel using solar energy
A research team led by Lund University in Sweden has shown how solar power can convert carbon dioxide into fuel, by using advanced materials and ultra-fast laser spectroscopy. The breakthrough could be an important piece ...
Feb 16, 2022
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4250
Energy & Green Tech
Scientists create 'artificial leaf' that turns carbon into fuel
Scientists have created an "artificial leaf" to fight climate change by inexpensively converting harmful carbon dioxide (CO2) into a useful alternative fuel.
Nov 4, 2019
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1031
Electronics & Semiconductors
Researchers enhance conversion efficiency of thermoelectric devices
In the effort to reduce our reliance on fossil fuels, one strategy involves harvesting the waste heat that is already being produced by our energy systems. Thermoelectric generators can convert waste heat to clean electricity, ...
May 1, 2023
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49
Energy & Green Tech
China's bitcoin mining rush risks derailing climate goals
China's electricity-hungry bitcoin mines that power nearly 80 percent of the global trade in cryptocurrencies risk undercutting the country's climate goals, a study in the journal Nature Communications said on Tuesday.
Apr 6, 2021
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345
Energy & Green Tech
Study explores the impact of climate change on the supply and demand of wind and solar energy
Over the past few decades, sustainable energy solutions that rely on renewable sources, particularly the sun and wind, have become increasingly advanced and widespread. Many countries worldwide have committed to drastically ...
Energy & Green Tech
Team develops new way to extract thermal energy from waste heat sources and reuse it via pressure control
A Chinese research team has developed a new concept for extracting thermal energy from low-temperature waste heat sources and reusing it on demand simply by controlling the pressure.
Feb 17, 2023
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