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...Climate campaigners have also questioned whether tracking carbon emissions provided a thorough assessment of the environmental impact of small electronic devices such as smartwatches and wireless earbuds...
...A German start-up has secured initial funding to develop a revolutionary fusion energy machine that it hopes can provide a future source of abundant, emissions-free power....
...The huge wing sitting in a corner of the Scottish port of Hunterston does not look like part of a ship — but the 20m-long device could be one of the shipping industry’s weapons to fight carbon emissions....
...It said domestic boilers accounted for about 18 per cent of the country’s CO₂ emissions in 2021....
...Retrofitting them would be a comparative walk in the park compared with the job of fitting charging devices to operate road pricing....
...At the same time, Europe subsidises green energy heavily, so its manufacturers will have lower carbon emissions, while it plans border tariffs on high-emission products made by foreign manufacturers, many...
...Our devices are getting smaller and lighter, but the gargantuan trucks of Chuquicamata are not....
...Good policy is about minimising those trade-offs, and there is already evidence that it is possible to deliver higher growth alongside falling emissions....
...Physicists have been promising since the 1960s that fusion reactions have the potential to provide an abundant, emissions-free solution to the planet’s long-term energy needs....
...Taylor now works for Octopus as a heat pump engineer, installing the energy efficient devices needed in homes across the UK....
...For rapid devices this rose to 76p/kWh....
...Domestic boilers account for about 14 per cent of the country’s CO₂ emissions. “We’ve had people with very long service eager to learn new technologies,” Hansen said. “It’s been very impressive.”...
...But heat pumps are still misunderstood, according to Salz, who says most people still don’t know that these devices can cool homes as well as warm them....
...AI data centres run on powerful graphics processor chips from the likes of Nvidia and Advanced Micro Devices....
...According to Harvard research published in 2020, chip manufacturing, not energy consumption, accounts for most of the carbon output from electronic devices....
...This makes measuring carbon emissions, with a single key metric — a tonne of carbon dioxide — look simple....
...This decision should make the development of prototype fusion devices — and, it is hoped, future power plants — faster....
...And data traffic is set to escalate sharply as more devices connect to the internet, which could offset 5G’s gains on power-efficiency....
...Ministers had proposed a hard ban on the installation of new gas devices in all existing homes from 2035, for example....
...In a world first in 2016, it managed to send a communications signal through the electricity grid, with the Morse code for “UK-OK” received by devices across the country....
...Methane emissions, much more potent than those from carbon dioxide, are creeping up the agenda after a series of large leaks. Scientists are getting closer to nuclear power’s dream: fusion reactors....
...Much lip service is paid at global summits to a commitment to net-zero CO2 emissions targets, but outside the glare of scrutiny, many of these goals are being quietly eradicated....
...Data from thousands of floating robotic observatories maintained by the international Argo programme, combined with older measurements by ship-borne devices, show that the Southern Ocean around Antarctica...
...But that plan has not gone smoothly, partly owing to the costs of installing the devices, and take-up in the UK has lagged far behind European countries....
...The research criticised centralised incinerators for undermining the livelihoods of waste-pickers and causing toxic emissions....
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