Circularity
Understanding the value of a circular economy and identifying circular solutions are essential to changing our world for good. Circularity, or the zero-waste principle of keeping materials in a closed loop and away from landfills and incinerators, is the future. Find out about the latest innovations and solutions accelerating the transition towards a circular economy in the articles here from The Optimist Daily.
The case for growing nectar-rich plants in your garden this spring
BY THE OPTIMIST DAILY EDITORIAL TEAM The nectar created by flowering plants is a significant food source for many of the critters we share our environment with. Those of us who want to attract wildlife to our gardens understand the importance of having flowering plants in bloom for as long as Read More...
How London’s ultra-low emission zone is successfully cleaning up the air
BY THE OPTIMIST DAILY EDITORIAL TEAM London's expanded Ultra-Low Emission Zone (ULEZ) is delivering remarkable results in the battle against air pollution. According to a new report reviewed by independent air quality experts, the initiative has significantly reduced nitrogen dioxide, fine Read More...
Sussex University to launch UK's first climate justice degree
BY THE OPTIMIST DAILY EDITORIAL TEAM The University of Sussex announced the launch of the UK's first undergraduate degree in climate justice, sustainability, and development. Starting in 2026, this pioneering BA program is designed to prepare students for the growing demand for expertise in Read More...
North America’s largest solar project set to power lives of thousands
BY THE OPTIMIST DAILY EDITORIAL TEAM An incredible renewable energy project is taking shape in Medicine Hat, Alberta, as North America’s largest urban solar power park moves closer to reality. The Saamis solar project, a 325-megawatt (MW) photovoltaic development, is set to transform an old Read More...
Water lentils: the sustainable superfood making its way to European tables
BY THE OPTIMIST DAILY EDITORIAL TEAM Water lentils, a protein-packed and environmentally friendly plant, have officially been approved as a vegetable in Europe, offering a promising contribution to the protein transition and global food security. However, for this tiny but mighty plant to make a Read More...
Germany's small town bet: can deep geothermal energy power the future?
BY THE OPTIMIST DAILY EDITORIAL TEAM Fifteen years ago, the German town of Geretsried had high hopes for geothermal energy. However, when traditional drilling methods failed to reach enough hot water, the town was left with natural gas as its primary heating source. A new wave of geothermal Read More...
5 creative ways to reuse steeped tea bags
BY THE OPTIMIST DAILY EDITORIAL TEAM If you’re a regular tea drinker, you might be tossing out your used tea bags without a second thought. But before you discard them, consider this: steeped tea bags have a variety of clever uses beyond just brewing a great cup of tea. From the garden to your Read More...
Is water the simple solution to making future solar cells recyclable?
BY THE OPTIMIST DAILY EDITORIAL TEAM Solar energy is rapidly rising, with panel prices dropping and global adoption increasing by around 24 percent annually over the past decade. The industry is projected to triple in size by 2028, thanks in part to the growing use of perovskite solar cells—a Read More...
America’s first car-free neighborhood is proving walkability works
BY THE OPTIMIST DAILY EDITORIAL TEAM In a country where the car is king, a bold car-free community in Arizona is challenging the status quo. Culdesac Tempe, a $200 million, 17-acre development, is designed to prioritize walkability, public transit, and community connection. Since its debut in Read More...
How black soldier fly larvae are revolutionizing agriculture
BY THE OPTIMIST DAILY EDITORIAL TEAM In the world of sustainable agriculture, one tiny insect is punching well above its weight. The black soldier fly larvae (BSFL), known for their insatiable appetite, are proving to be a game-changing solution to food waste and soil degradation. With the Read More...