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The Cloud Needs Water: The Missing Resource in Britain’s AI Growth Plan

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  The Cloud Needs Water: The Missing Resource in Britain’s AI Growth Plan Artificial intelligence may appear to exist somewhere in “the cloud”, but the infrastructure behind it is physical, power-hungry and, in many cases, surprisingly thirsty. AI may live in the cloud, but the cloud is not weightless. It consists of enormous buildings filled with densely packed processors, storage systems, cables, cooling equipment, pumps and backup generators. Every AI request, cloud backup, streamed film and online transaction ultimately depends on physical machinery producing considerable quantities of heat. That heat must be removed. In some data centres, air and sealed cooling circuits do most of the work. In others, water is evaporated through cooling systems. Even where relatively little water is used inside the building, additional water may be associated with generating the electricity that powers it. Water UK has now issued a stark warning: Britain’s ambitions to expand artificial ...
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Building the Low-Carbon Home of the Future

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  Building the Low-Carbon Home of the Future New Homes Are Improving—but We Can Go Much Further A newly built home should be one of the most energy-efficient, comfortable and environmentally responsible homes available. After all, it is much easier to install insulation, cables, ventilation ducts, solar panels and low-carbon heating while a house is being built than it is to return five years later, lift floors, remove plasterboard and start again. New homes are undoubtedly greener than homes built only a few years ago. In England, the 2026 Future Homes and Buildings Standards require high levels of energy efficiency, low-carbon heating and, in most cases, solar panels. These homes are intended to be “zero-carbon ready”, meaning they should not require major retrofitting to achieve zero operational carbon as the electricity grid continues to decarbonise. That is an important step forward. However, building regulations establish a minimum standard. They do not necessarily describe t...
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Twenty Green Changes That Paid for Themselves

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  Twenty Green Changes That Paid for Themselves “The best environmental improvements don’t just help the planet—they keep saving you money every month.” Going green is often presented as an expensive luxury. People are shown electric cars, large solar installations, new heating systems and costly home renovations. The understandable response is often: “That may be good for the environment, but I cannot afford it.” However, many of the most effective environmental improvements are not simply costs. They are investments. Some require very little money, some repay their cost within a relatively short period, and others continue producing savings for many years. The important question is not just: “How much does this cost?” It is: “How much will this save over its lifetime?” Over the years, we have made many changes to our own home. Some were small, such as replacing light bulbs and stopping draughts. Others were much larger, including solar panels, battery storage and an air-source he...
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