rio tinto Archives – The Green Optimistic green tech news, since 2008 Fri, 04 May 2018 06:39:53 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 The Energy Metals Conundrum https://www.greenoptimistic.com/energy-metals-conundrum-20180124/ https://www.greenoptimistic.com/energy-metals-conundrum-20180124/#respond Wed, 24 Jan 2018 21:17:50 +0000 https://www.greenoptimistic.com/?p=65105 The seemingly unending debates about if sustainable power could ever become economic are over. And the greenies won. Wind and solar power generation are now able to compete with just about any other form of power generation. In some cases, offshore wind delivers power for a lower cost than any other option, and with no […]

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