Will We All Be Eating Insects in the Future?

The idea of eating insects can seem a bit unappealing if you’ve been brought up with a Western diet. We do eat them as a novelty or inadvertently as food colouring. However, insect-eating (known as entomophagy) is common in many cultures across the world. Humans have been eating insects from prehistoric times to the present…

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Earthship Biotecture: An Architectural Concept Based on Self-Sufficient, Sustainable Living

The ‘Earthship’ – or ‘Earthship Biotecture’ – is an architectural concept that arose in the 1970s, formulated by the architect Michael Reynolds. His aim, which underlies the concept, was to design and create a home that would do three things: first, it would encapsulate sustainable architecture by relying on local materials or recycled materials; second,…

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What Does a Sustainable Diet Look Like?

It can be hard to know exactly what a sustainable diet looks like. For instance, a study from the University of Oxford, published in Climatic Change, found that the vegan diet produces the least greenhouse gas emissions. Comparisons were made between meat-eaters, fish-eaters, vegetarians, and vegans. In this way, a plant-based diet would be considered…

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The Flexitarian Diet: Potentially Sustainable But Morally Questionable

A flexitarian is someone who has a primarily vegetarian diet, but who occasionally eats fish and meat. Not all flexitarians are alike. As the name suggests, it is a flexible diet. While one person may only meat at the weekends or one day a week, someone else may reserve meat for dinner only, and another…

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Colonising Mars: A Colossal Feat of Human Ingenuity

Colonising Mars is no easy task. Elon Musk, the founder of SpaceX, has estimated that the current cost of sending someone to Mars is “around $10bn per person”. And there are all sorts of other logistical hurdles involved. But, if we want to expand into the Solar System, we’ll need to find out how to…

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