Urban areas | The Optimist Daily: Making Solutions the News
Today’s Solutions: July 15, 2024

This is how trees make urban a

This is how trees make urban areas cooler

You might consider urban areas to be the epitome of cool, but that couldn’t be further from the truth. In fact, buildings, cars, pollution, and lack of soil, all contribute to an urban heat island effect, making cities considerably warmer than surrounding rural areas. Luckily, there is a Read More...

Some of the world’s most pol

Some of the world’s most polluted cities are breathing fresh air once again

The screenshots began to circulate on Delhi WhatsApp groups last week, captioned with varying expressions of disbelief. Having checked the air quality index, something of a sadistic morning ritual among residents of India’s capital, most could not believe their eyes. Gone was the familiar Read More...

Earth-friendly material filter

Earth-friendly material filters pollutants out of stormwater

While it’s often overlooked, stormwater has great potential to solve the problem of strained water supplies in urban areas. One of the main reasons why this resource has gone mostly untapped is because stormwater picks up toxic chemicals as it runs through streets and gutters. Now that may no Read More...