Today’s Solutions: October 20, 2026

a global movement toward growing more trees and planning more parks in cities. But which ones have the most green space today? To get a clearer picture, MIT partnered with the World Economic Forum (WEF) to create Treepedia, a site with interactive maps that show the density of greenery in 10 major cities around the world. The researchers used information from Google Street View to make what they call the “Green View Index,” a rating that quantifies

Print this article
More of Today's Solutions

A Dutch startup is making concrete that grows its own moss

BY THE OPTIMIST DAILY EDITORIAL TEAM Most building materials are designed to resist the elements, to stay sealed and unchanged for as long as ...

Read More

The surprising history of pumpkins: from ancient staple to autumn icon

BY THE OPTIMIST DAILY EDITORIAL TEAM Pumpkin spice lattes, jack-o’-lanterns, and Thanksgiving pies: pumpkins are the unofficial mascots of fall. But behind their seasonal ...

Read More

Rotterdam becomes home to the world’s largest floating office

While Rotterdam is typically known for hosting Europe’s biggest port, the second largest Dutch city is also famous as a forerunning innovator in climate ...

Read More

There are special regions for singing in the brain

Music is a magical thing. There are many proven benefits to the power of music, from its synchronizing power to create bonds with the ...

Read More