Numbeo is a collaborative online database which enables users to share and compare information about the cost of living between countries and cities.
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What is Low-tech Magazine?

Founded in November 2007, Low-tech Magazine questions the blind belief in technological progress, and talks about the potential of past and often forgotten knowledge and technologies when it comes to designing a sustainable society. Interesting possibilities arise when you combine old technology with new knowledge and new materials, or when you apply old concepts and traditional knowledge to modern technology.

My personal favourite articles:

Reinventing the Greenhouse –

Research shows that it’s possible to grow warmth-loving crops all year round with solar energy alone, even if it’s freezing outside. The solar greenhouse is especially successful in China, where many thousands of these structures have been built during the last decades.

How to Downsize a Transport Network: The Chinese Wheelbarrow

For being such a seemingly ordinary vehicle, the wheelbarrow has a surprisingly exciting history. 

https://www.lowtechmagazine.com