Low-cost sensors are helping communities find gaps in air quality data

Evidence continues to build that humans are contributing to a climate change issue that is nothing but bad news for the planet. Hopeful stories from seven countries, including India, Indonesia, and China, show that efforts to combat climate change might finally be working.

A overview of 2014's Fixes columns - connecting the dots between 60 or so ways that people are trying to change the world.

The breakdown of the ozone layer is one of the most well-known effects of climate change. Citizens enact different ways to protect the atmosphere from a build up of methane gas.

Millions of families of arrested individuals do not know what to do to help, how to obtain a lawyer, or what the process entails in the court system. Created by Albert Cobarrubius Justice Project, participatory defense is a type of community organizing that teaches and empowers people who face criminal charges. Individuals know how to work with attorneys in order to navigate the system and ultimately feel equipped to become drivers of their own change.

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.

Tulsa Public Schools drew on expertise across many sectors and extensive neighborhood input to address the issue of thousands of empty seats in local schools. Through a community-focused process, they were able to mindfully close under-utilized schools and better maximize the community's resources for students.

New crowdfunding options can help even the smallest donor's contributions to have a meaningful impact, bolstering a sense of personal involvement, maximizing knowledge about causes, and inspiring greater participation.

In India, 620 million people openly defecate outdoors, causing harm to hygiene, sanitation, food, and water resources. The president of India funded an initiative to build public toilets for the people in his country, but the people did not use them because of traditions and behaviors. The Total Sanitation Campaign is starting to change villagers’ minds by having local leadership persuade those who resist the toilets by holding community activities and creating special committees to maintain the sanitation.

Civic leaders in the U.S. struggle to effectively help their distressed neighborhoods. East Lake, Atlanta, created a replicable model that mixes residents of differing socio-economic status, and focuses on education and health in the area.

Global social and economic problems are difficult to change. However, fan-activism fuels the interests of fans of popular young adult fiction. Books such as Harry Potter and the Hunger Games have inspired activist groups that raise awareness of global hunger, reading, and relief supplies to impoverished nations, among others. Being a fan has served as a bridge to become politically active and solve the world’s problems.