Saving money by going veggie

If you have financial worries, then there are many steps you can take to cut back on costs. It’s important to examine your lifestyle and see if anything you consume or do can be reduced or eliminated completely. You may realise that you can save a tonne of money by quitting smoking (1). Or by cutting[…]

Producing sustainable food with aquaponics

Food production is not sustainable (1). Agriculture uses 38% of the world’s total land area and is responsible for 70% of global freshwater consumption. This has prompted some commentators to argue that in order to promote sustainability we need to change how we behave. Other experts are more focused on technological innovations, such as aquaponics.[…]

Food scarcity is set to worsen, but here’s what we can do about it

The global population is set to reach 9.7 billion by 2050, with most of the growth taking place in developing countries (1). The United States Department of Agriculture says the number of hungry (‘food insecure’) people in sub-Saharan Africa will rise by a third (2). In order to tackle the issue of food scarcity, the FAO claims[…]

Here’s how space tourism can promote sustainability

The writer Frank White popularised the term ‘overview effect’ in his book The Overview Effect: Space Exploration and Human Evolution (1987). This effect is the cognitive shift in awareness that takes place while viewing the Earth during spaceflight. Based on the records of hundreds of astronauts and interviews with dozens of space explorers he conducted[…]

Sustainability is key to space exploration and life on Mars

SpaceX has argued that reusability is the key to making human life inter-planetary (1). Having rockets that are fully and rapidly reusable will not only save costs in terms of space exploration, but it will make the endeavour all the more sustainable. On 21 December 2015, SpaceX achieved the biggest cost reduction in space flight history (2).[…]

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