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.
How these 3 apps are tackling food waste in Canada
Anyone who works in the restaurant, catering, or supermarket industry will know that food waste is a gigantic problem. Too often, day-old baked goods and food items that have sat on the shelves beyond their expiry date are disposed of and end up in the trash. According to this 2019 report by the Read More...
AI has helped design the chickpea of all chickpeas
AI has helped humans achieve a lot of things; from predicting seizures, to completing Beethoven’s unfinished 10th Symphony. Its latest endeavor: designing the ultimate chickpea. Although these pulses are a thoroughly understood crop, the genome of most varieties is not well sequenced. An Read More...
Planners reimagine former coal power plant into a 15-minute neighborhood
As countries around the world make net-zero pledges in a bid to tackle climate change, many are phasing out coal as part of their green energy transition. This means that there’s an increasing need to find new uses for former or soon-to-retire coal plants. With that said, there are already a few Read More...
Winners of international James Dyson Award 2021 announced
Every year the international James Dyson Awards take place, where designers have to come up with new-problem solving ideas. Previous winners have included an at-home breast cancer detection box, a plastic alternative made from fish waste, and an urban wind turbine. The bar is set high for Read More...
7 takeaways from COP26
The 26th annual United Nations climate change summit has officially come to a close. We shared a few updates along the way about coal pledges, carbon-neutral countries, and Indigenous forest protection, but now that COP26 is wrapped up, let’s take a broader look at what the summit Read More...
So your compost has mold? What it means and what to do about it
So you’ve set up a functioning compost system in your backyard. First things first, congratulations! But how do you know if your compost is healthy and thriving? Mold and fungi are actually a sign of a functioning compost pile, but not all kinds of mold are good. Check out the list below to Read More...
Could ‘universal basic mobility’ end youth disconnection?
The concept of universal basic income (UBI) is being tested in cities around the world to explore how no-strings-attached payments can improve standards of living for vulnerable individuals. Now, some cities are looking beyond payments and embracing “universal basic mobility” as another 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...
This is the most detailed map ever of US cancer-linked industrial pollution
Air pollution has been linked to numerous diseases including asthma, cancer, and heart disease, but while air pollution can negatively affect all of us, its damage is disproportionately felt by certain populations. Breaking down where air pollution is most potent and why is the first step to Read More...
These wind turbine walls let cities harness wind power beautifully
One of the major downfalls of harnessing wind energy is that large-scale wind farms require lots of space, away from urban areas, and wind turbines with bulky poles and huge spinning blades that aren’t just considered an eyesore but are hazardous for birds. Well, what if we could harvest wind Read More...