How Baltimore is saving urban forests – and its city

An ambitious plan for the 69-acre Regent Park neighborhood is disrupting entrenched notions of class, race and religion, at a time when concerns over income inequality and immigration are growing.

Despite advancements in technology in most sectors of life leading to an increase to access of information about practically anything, little is still known about the ocean and its behavioral patterns. Liquid Robotics – a Silicon Valley-based company – is trying to change that. Engineers here have created the "Wave Glider," which essentially acts as a router within the ocean powered by wave energy and solar panels. This invention can transmit data on tectonic activity that has the potential to predict tsunamis.

In a rapidly gentrifying Mexico City neighborhood, two artists refurbished an icon and set up an altar for Santa Mari La Juaricua, a saint to protect residents from eviction. The saint raises awareness and acts as a reminder about housing issues and the icon has been taken up by the residents and has been used in processions and protests.

During the Industrial Revolution, farmers began harvesting monoculture crops which produced promising profits but proved harmful to the soil and weakened the immune capabilities of native plants. Lately, however, permaculture practices have been on the rise amongst farmers to better diversify their yields and reduce reliance on chemicals.

Police departments across the United States are implementing strategies and reforms in response to the growing number of unsolved criminal cases. With cold cases often linked to declined trust in police and the undermining of wellbeing in, typically urban, neighborhoods, these reforms are seeking to reverse course.

A growing number of governments, companies, and nonprofit organizations are working together with new technology and data to identify fishing vessels that are breaking laws and engaging in human rights violations. Using satellite imagery and tracking signals, for example, a philanthropic company and a nonprofit worked with the UN Office on Drugs and Crime to help the Ghanian navy arrest four vessels for illegal fishing practices. Technology by itself won’t stop forced labor and unregulated ships, but it can be helpful for cash-strapped governments looking to increase oversight of their fisheries.

As a way to combat climate change, scientists are experimenting with genetically modified trees as a way to draw carbon dioxide out of the atmosphere to store in its leaves, roots, and trunk. The startup Living Carbon has genetically modified poplar and pine seeds in the ground and expect them to be ready by the end of the year. Some scientists are worried about how these trees can impact forest ecosystems, but they grow faster than normal trees, allowing them to study and assess the risks quicker.

Lamakani, a small village in India, went barren and townspeople completely depended on water tankers after a drought in the 90s. One leader initiated a watershed movement. They applied a series of approaches which included things like watershed development, bans on grass grazing and tree falling, and collaborating with local artists to communicate messages of conservation. Now, the town is lush again.

After years of drought and land-clearing that left Niger with few trees left, the country now boasts about 200 million trees, which have mostly been reestablished naturally. While the effects of climate change could threaten the future of these trees, this method has also increased crop yields in villages. This model of letting trees grow back with little human influence could be implemented in other countries.

The Kansas City Streetcar provides fare-free transportation for residents, which helps to get them downtown and promote more economic development. The fare-free streetcar also makes transit more equitable by removing barriers for low-income passengers and improving mobility for people with disabilities.