86% of cities see an economic opportunity in climate change, many switching to 100% renewables

While countries have dragged their feet for years on meaningful climate action, many cities around the world have forged ahead with sustainability efforts. In July, about 60 mayors pledged to fight climate change at a two-day conference hosted by Pope Francis. Several cities have even made impressive strides to ditch fossil fuels in favor of renewables. Two recent reports have confirmed that …

Phase Out of Fossil Fuels by 2050 is Possible and Profitable

A new report from Greenpeace says the world can be 100 percent renewable by 2050, and 85 percent renewable in just 15 years.  The 2015 Energy [R]evolution report, the latest in a series that has offered the most accurate projections of any major analysis, worldwide, says that for the first time, the path to 100 percent renewable is cost-neutral. In …

Kauai to meet evening demand with 52MWh solar storage battery

Cross-posted from PV Tech A solar farm connected to a huge battery will be built on the Hawaiian island of Kauai to use solar in the evenings to meet peak demand, under a 20-year contract between SolarCity and an electric utility co-operative. As much as 95% of daytime demand on Kauai is met by solar at present but Kaua’I Island …

UK Tests Wireless Electric Highway

Cross-posted from Gas2 and Clean Technica Ask EV drivers what they don’t like about their electric car experience and the chances are most of them would say charging their vehicles away from home is their least favorite thing. Now, researchers in England are exploring the possibility of making wireless recharging available on some motorways, the English equivalent to our interstate highways. …

Hydropower from city water pipes

While it is difficult to predict the flow of a stream and installing dams and generating hydropower can be environmentally degrading, the consistent flow in city water pipes presents a new frontier to be explored.  City systems pump water daily at a fairly constant rate, which allows for a consistent flow of energy.  It could also help safeguard cities’ hydropower …