Solar panels, distributed energy, resilient microgrids, and blockchain, which allows secure monitoring and for participants to automate their transactions in local energy ecosystem using existing grid infrastructure

Brooklyn Microgrid Solar panels, distributed energy, resilient microgrids, and blockchain. Oh my! A New York startup aims to disrupt local energy markets with the introduction of community microgrids where individuals can buy and sell renewable energy from residential rooftop solar installations. The Brooklyn Microgrid will use an approach called the TransActive Grid, which is comprised of both software ​and hardware, …

Rapid shift to electric in heavy vehicles, as diesel garbage trucks are retrofitted with electric powertrains, and buses, boats, and delivery trucks go electric

The clang of garbage cans will still probably wake people way too early in the morning. But in Santa Rosa, California, at least, the roaring diesel engine will be quiet, replaced by a silent, electric motor. The electric garbage trucks scheduled to begin rolling there this summer may be less alluring than the sporty vehicles that engineer Ian Wright helped …

Renewable energy and energy efficiency can unlock climate solution, with rapid shift

Energy transformation mitigates climate change, increases energy access, and meets global sustainable development goals The energy sector, accounting for more than two-thirds of global greenhouse gas emissions, must be at the heart of any effort to keep the global temperature rise below 2 degrees Celsius. An energy transition is underway worldwide. With the adoption of the Sustainable Development Goal 7 on energy, renewable …

Saving money and carbon with public transportation in the US – top 20 cities

The American Public Transit Association(APTA) recently released its February Savings Report. The association releases a monthly savings report in order to analyze how much money the average two-person household can save by taking public transportation and using one less automobile. The average commuter is looking at a savings of more than $754 a month for the frugal individual. Based on …

Latest developments with district energy in cities

The clank of boilers is a telltale winter soundtrack in many older cities in more temperate zones, where many buildings tend to have their own own heating and cooling system. But in downtowns and dense neighborhoods, smart decisions made decades ago and current retrofitting strategies are generating warm and cool air in a central location, then piping this to a …

Vancouver moving toward 100% renewable energy

Vancouver adopted its Greenest City Action Plan in 2011 with the aim of becoming the world’s “greenest” city by 2020. This original plan laid out the aspiration to eliminate Vancouver’s on fossil fuels. In March, 2015 Vancouver City Council took the City’s ambitions a step further and unanimously adopted the goal of shifting to 100% renewable energy. In June and July of …

Improving street lighting can be an easy win – National governments are critical

By Rodrigo Villarroel Walker – Cross-posted from the World Resources Institute’ CityFix Lighting represents about 15 percent of global power consumption and 5 percent of worldwide greenhouse gas (GHG) emissions. Street lighting alone represents about 3 percent of world electricity consumption. Extensive programs that replace obsolete street lighting systems—incandescent, mercury vapor, and sodium high pressure vapor—with more efficient technologies—ceramic metal halide …

Public space in cities – “lungs of the city”, indicators, and science on benefits

The famed American landscape architect and Central Park designer Fredrick Law Olmsted said that parks are the “lungs of the city.” However, many cities around the world—from growing Addis Ababa to sprawling Mumbai and dense Sao Paulo—currently lack adequate public space and find it difficult to breath.  Even Pope Francis devoted considerable space in his encyclical to writing about the …