Sustainable Urban Development
With cities expected to host about 70 percent of the world's population, sustainable urban development is key to making communities worldwide more resilient against the growing threat of climate change. Find out about the latest urban practices from across the world aiming to make our cities more sustainable and inclusive in these good-news stories from The Optimist Daily.
Saving America’s citrus fruits
Citrus Greening Disease Citrus Greening Disease, or Huanglongbing (HLB), is a life threatening plant disease that has already destroyed many of Florida's crops and is on its way to ruining California’s also. Asain citrus psyllids are the tiny culprits causing the disease by transmitting deadly Read More...
New Jersey is first eastern state to start phasing out diesel powered trucks
In the latter half of December 2021, New Jersey became the first east coast state to begin the process of phasing out diesel-powered trucks (meaning anything bigger than a delivery van). The plan, which is based on California’s Advanced Clean Trucks rule (ACT), is expected to roll out in 2025 and Read More...
Scientists create bacteria-killing biodegradable food packaging
A team of scientists from the Nanyang Technological University (NTU) in Singapore, and the Harvard T.H. Chan School of Public Health in the US have developed an astounding material: food packaging that is not only biodegradable but antimicrobial as well. This means that the packaging, which is Read More...
This app rewards local shoppers and encourages community building
The city of Akron, Ohio, launched a program designed to help support the local businesses that have been hit hard by the pandemic and encourage a more circular economy. The program rewards shoppers for shopping locally through a city-sponsored app called Akronite, from which shoppers receive Read More...
A guide to common climate jargon
A big hurdle in the effort to slow climate change is climate jargon. Many people don’t fully understand the complex language surrounding climate action, making it more difficult for them to relate to and take action on climate issues. Fortunately, science communication organizations like the Read More...
Phoenix is using green space to tackle urban heat disparities
Our latest Optimist View discussed how urban green space impacts heat exposure and health outcomes in cities. One of the cities grappling with this issue is Phoenix. As the hottest city in the US, Phoenix is very focused on keeping things cool in a warming world. The city has pledged to reach Read More...
The future is bright white! How paint can help cool a city
Last year, we wrote about a team of researchers led by Purdue University mechanical engineering professor Xiulin Ruan who invented a kind of paint that is so white it reflects more than 95 percent of the sunlight that falls on surfaces covered in it. We love keeping track of solutions as they Read More...
How one neighborhood used gamification to reduce traffic emissions
Green transportation methods like walking, biking, and taking public transportation reduces carbon emissions and improve air quality for residents, but encouraging people to choose these options over personal vehicles is a challenge. One neighborhood in London has finally cracked the code on green Read More...
Paris set to transform Champs-Élysées into huge garden
The Champs-Élysées is one of the most famous streets in the world. In its heyday, it was a premier shopping destination and even called “the world’s most beautiful avenue.” Many top companies still fight for retail space along the street and it still offers stunning views of the Arc de Read More...
Study confirms that access to nature in urban areas reduces loneliness
Cities tend to have a bad reputation for being places that are poor for mental health and breed loneliness, however, a team of scientists has discovered that contact with nature in cities can dramatically reduce citizens’ feelings of isolation. Loneliness is considered a major public health Read More...