Yearly Archives: 2018

What is a Cryptocurrency? A cryptocurrency is a digital or virtual currency that uses cryptography for security. A cryptocurrency is difficult to counterfeit because of this security feature. A defining feature of a cryptocurrency, and arguably its most endearing allure, is its organic nature; it is not issued by any […]


alternative currencies
What is a Local Exchange Trading System (LETSystem) A LETSystem is a locally initiated, democratically organised, not-for-profit community enterprise that provides a community information service and records transactions of members exchanging goods and services by using locally created currency. The Problem with Money Many of us are active in creating […]

Local Exchange Trading Systems

Climate vs Weather Weather is the temperature, humidity, precipitation, cloudiness and wind that we experience in the atmosphere at a given time in a specific location. Climate is the average weather in a region over a long time period (30 – 50 years). Climate change is a systematic change in […]

Climate Change 101

the greenhouse effect
Throughout its history, Earth’s climate has varied, reflecting the complex interactions and dependencies of the solar, oceanic, terrestrial, atmospheric, and living components that make up planet Earth’s systems. For at least the last million years, our world has experienced cycles of warming and cooling that take approximately 100,000 years to […]

The Essential Principles of Climate Change