Europe is facing the prospect of an acute energy crisis – how does research suggest households can reduce their energy use?
Blockchain transactions are carried in blocks. The amount of energy it takes to add a new block varies widely depending on how it’s done.
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Ethereum, one of the world’s largest blockchains and host of decentralized finance, NFTs and billions of dollars’ worth of cryptocurrency, is poised to dramatically reduce its energy consumption.
Past claims about the costs of 5-star and then 6-star home energy ratings were overblown. We are hearing similar claims about the new 7-star standard, but good design makes it a good deal for owners.
Weatherization and new windows are big money and energy savers.
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Tenants are rarely allowed to make permanent changes to a house. And many landlords know little about the conditions tenants endure, but most who do retrofit homes do it to improve renters’ comfort.
Insulating walls and windows can keep hot air outside during future heatwaves.
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Almost 8 million Aussie homes lack sufficient insulation, use sub-par heating and cooling equipment, or are badly designed. These homes account for 18% of Australia’s emissions.
President Joe Biden authorized use of the Defense Production Act to ramp up production of several climate-friendly technologies.
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Other presidents used the Defense Production Act to boost fossil fuel supplies. Biden is now using it to boost clean energy. But just ramping up production isn’t enough to succeed.
Energy labels are useful, but they could be made more effective.
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The EU energy label, showing customers the energy consumption of what they’re buying, can be upgraded to help make more homes and buildings energy efficient.
Analysis of 5,500 apartment developments across Australia found many individual units were far below the average energy ratings for the complex as a whole.
Russian President Vladimir Putin (left) with Gazprom CEO Alexey Miller at a launch ceremony for the Nord Stream gas pipeline, Sept. 6, 2011, in Vyborg, Russia.
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