How to reduce light pollution, an underestimated threat to our environment

A strategy for stopping widespread depression in developing countries should be as obvious as one for combatting epidemics. A new strategy aims to downshift jobs to local workers to act as peer therapists.

We know how to prevent diabetes - but the U.S, medical system, with its twisted priorities, doesn’t cover prevention. A new program at the YMCA aims to build structured, effective prevention measures.

A unique program at Los Angeles County-USC Medical Center is combining prenatal care with psychiatric treatment for low-income women who might otherwise not seek help for mental health issues during pregnancy.

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

Programs to get fresh produce carts to areas with no access to healthy food work best when government and determined entrepreneurs team up. Success from this model is evident in New York City, where the city has incentivized the selling of fruits and vegetables by street vendors in areas that are in the most need of the produce.

In Oakland, a company created an online crowdfunding platform that allows users to earn interest by financing clean energy projects and gives people with good social intentions a direct line of action. Across the world, there is a growing movement toward people-powered clean energy.

MoodGYM is an online program targeted to help those suffering from depression for whom it is a challenge to access therapy because of location or the stigma it carries. Essentially a therapy session in your pocket, the program allows users to access help at little to no cost, regardless of where they are or what time of day it is.

The highest hospital costs come from preventable emergency room visits. A doctor in Camden developed a home visit program which gives better and cheaper care.

A program in Philadelphia is pioneering new ways to treat the urban wounded. By seeing it as PTSD, and not pointing fingers, the city is using mental health tools to decrease violence and heal communities.

Science suggests that having a secure relationship with a caregiver can help protect a child’s brain and body from the effects of adversity. A Connecticut program for young children who have experienced trauma or other challenges has gotten results by focusing on that relationship – and the things that can interfere, including depression, family violence, and a parent’s own history of trauma.