Empirical energy consumption model quantifies Bitcoin's carbon footprint

Researchers have conducted the first analysis of Bitcoin power consumption based on empirical data from IPO filings and localization of IP addresses. They found that the cryptocurrency's carbon emissions measure up to those of Kansas City—or a small nation. The study, published June 12 in the journal Joule, suggests that cryptocurrencies contribute to global carbon emissions, an issue that must be considered in climate change mitigation efforts.

* This article was originally published here

Getting to zero: the Japan town trying to recycle all its waste

Plastic, paper, metal? In Japan's Kamikatsu, sorting rubbish isn't that simple. Residents face a mind-boggling 45 separate categories for their garbage as the town aims to be "zero-waste" by 2020.

* This article was originally published here