Environment
Need some good news about the environment? The Optimist Daily is your go-to herald of positive environmental news, highlighting eco-friendly solutions and scientific progress around climate action, circularity, conservation, and more. Learn about everything eco in our Environment section.
This ATM helps Kenyans switch from charcoal to eco-friendly fuel
In Kenya, most people use wood or charcoal to cook in small homes without proper ventilation, and exposure to charcoal smoke causes a myriad of health problems for users and their families. On top of the grave health issues, charcoal use is also to blame for deforestation, another contributor to Read More...
This app connects the blind with guides for safer city travel
This month, UK-based startup Travel Hands, a spin-off from digital accessibility company VIP World Services, plans to launch an app designed to help visually impaired people navigate the busy streets of the London metropolitan area. Back in 2013, Travel Hands founder and CEO Ishan Jha was Read More...
US launches first-of-its-kind environmental justice investigation
Public health departments have a responsibility to operate waste management in a safe, uniform, and equitable manner, but for years, sewage overflows have plagued Alabama’s Lowndes County, predominantly affecting Black residents. To address this injustice, the U.S. Department of Justice (DOJ) Read More...
Minimize your food waste with these 5 preservation methods
Here at The Optimist Daily, we love sharing practical ways people can help combat climate change right at home. While the climate crisis may leave us feeling helpless and overwhelmed, there are small actions that we can take that will propel us in the right direction and empower us. Food waste Read More...
Shop sustainably with these ethical online marketplaces
Online shopping is a modern-day convenience that many of us enjoy, however, the biggest online marketplaces often have questionable ethics practices. Luckily, there are other lesser-known marketplaces that are committed to ethical and sustainable business practices, support independent artisans, Read More...
These ants can transform from worker to queen with one single gene
The social dynamics of ant colonies are complex setups, requiring sophisticated mathematical models to map them out. There is a strict hierarchy of jobs that are determined by age: sterile workers, reproductive males, and reproducing queens. Under this hierarchy, the colonies' main collective goal Read More...
Travel company discontinues bookings with captive whale or dolphin shows
Marine biologists and activists are increasingly calling for the end to dolphins and whales held in captivity, especially for entertainment purposes, as these environments do not give them the space, social connection, and mental stimulation their complex brains need to thrive. Captive sea Read More...
How coal could help desalinate seawater in an eco-friendly way
While the practice of burning coal to generate electricity is soon to become a thing of the past, the material could prove useful in other, more sustainable ways. A new study, for example, has shown that the mineral could find use in the desalination of seawater. The study, conducted by Read More...
Over 40 countries pledge to shift away from coal during COP26
During the COP26 climate summit, more than 40 countries have pledged to move away from coal, one of the biggest contributors to climate change. This is a major win for the environment, even though some of the world’s biggest coal-dependent countries, such as the US, India, and China, opted out Read More...
Shark scales: a day spa for fearless fish
Sharks are the apex predators of the ocean. They consume between 0.5 to 3.0 percent of their body weight each meal, which takes two to three days to digest. Depending on which species out of nearly 400 we are talking about, their diet consists of fish, crustaceans, stingrays, turtles, squid, Read More...