How to build an AC that will get the world through hotter summers

Sustainability’s vagueness and scarcity orientation may be preventing the future it seeks to create. The time has come to adopt a new mindset: That of the Abundance Cycle.

Corporations concerned about their social and environmental impact must also consider the costs. Bcorps, a new form of corporation in the U.S., are using a rigorous certification process to gain consumers trust and boost sales.

Passive houses can generate more energy than they consume but are expensive to build. Non-profits across the nation are getting low income families into these types of renewable homes with state subsidies and volunteer work.

New York City black tar roofs cause a number of environmental problems, including air pollution, heat absorption that raises energy consumption, and storm water runoff in the sewer system. Efforts to turn these old roofs into green spaces cool the buildings, enable the containment of more rainfall, reduce sewer discharge, generate energy, and absorb carbon emissions. New York City has a pilot program offering financial help for green roofs.

More Than Wheels, a New Hampshire-based non-profit offers an economically stable solution to the high cost of owning a car. The program offers low-cost car loans that go toward the purchase of fuel-efficient vehicles.

Although residents turn up their air conditioners, Louisville heat is increasing the city’s death rate by 39 people every year. The city mayor launched a tree commission for planting more trees and since 2011 has planted over 12,000 trees. The canopies from the tree offer cooling shade and bring down the temperature of the city as a whole. The response also includes the installation of green roofs and in-depth research on urban heat islands.

People need a place to sleep and eat, they need privacy, but they also need community. Seattle had a recent boom in micro-housing which offers a community living model where individuals have a personal tiny room and bathroom but share a kitchen.

Retrofitting buildings for energy conservation in the United States could save $1 trillion over a decade, reduce American greenhouse gas emissions by 10 percent, and create employment across the country. Many universities and other institutions are creating green investment funds to sustain projects that enhance efficiency.

A follow-up article on Husk Power Systems, which has created a scalable system to turn rice husks into electricity that is reliable, eco-friendly and affordable for families in India. The company bases their business model around local involvement, grassroots systems that cater to the immediate community, and continual accountability. This article fills in some information gaps from the initial piece, "Fixes: A Light in India."

One small island in Denmark is technically 100 percent powered by sustainable sources of energy, giving the island total energy independence.