Today’s Solutions: December 15, 2024

Rooftop garden Dakakker (Rooftop Field) in Rotterdam

Why we need more rooftop gardens in a changing climate

As you may know from personal experience, summers tend to be much hotter in the city than in the countryside. This phenomenon is called the “urban heat island” effect. This difference in temperature happens in large part because urbanized areas have a greater concentration of buildings and Read More...

Lego Rebellion re-creating protest against Shell's Cambo oilfield plans

These Lego Rebels are taking a stance against the climate crisis

We’ve previously written about Lego’s efforts to lead the toy-making industry towards sustainability. But the toy company is not only making play-time for kids — and adults — more eco-friendly with plant-based building blocks. It turns out its toy bricks are also helping raise awareness Read More...

Winner of 2021 World Nature Photography Awards - Facing Reality, Leopard Seal and Penguin, by Amos Nachoum

And the results from the World Nature Photography competition are in

Our world is a beautiful place inhabited by extraordinary creatures. Thankfully, there are skilled photographers who dedicate their lives to capturing precious moments in nature so that the rest of us can get a peek into other hidden worlds. The World Nature Photography Awards (WNPA) is a Read More...

The battery-free dandelion seed inspired device, powered by solar panels, seen in black in the middle.

These battery-free sensors fly like dandelion seeds

Wireless sensors are a versatile technology used to measure all sorts of conditions, without the restraint of being attached to a stationary object the whole time. They have many applications such as in medicine - like this wireless sensor which monitors bone health - or in measuring environmental Read More...

Collective climate action

6 impactful changes you can make to help avoid climate crisis

When it comes to climate change, just reading the news can be overwhelming. Hearing about wildfires and droughts, considering greenwashing and corporate carbon emissions, it’s easy to become stressed without even leaving your house, to think that there’s nothing you can do as an individual to Read More...

city trees

City trees may trap more CO2 than we thought

It’s becoming common knowledge at this point that trees greatly benefit cities and the people that call them home. City trees and urban green areas regulate temperature, improve mental health and reduce loneliness for urbanites, clean the air and even reduce crime rates. Our tall, green friends Read More...

Solar panels water crops

Even in deserts, this system can generate water and electricity

The extreme heat of the world’s deserts makes maintaining a water supply and a steady supply of electricity difficult. At The Optimist Daily, we’ve written about optimizing solar panels with agricultural systems before. However, this experimental hybrid system from King Abdullah University of Read More...

Browser Outside Climate Action

This cheeky browser helps you pursue climate action

As the urgency to take action against climate change becomes more apparent in our day-to-day lives, an increasing number of people — especially younger generations — are experiencing feelings of eco-anxiety. These overwhelming feelings are only exacerbated by recurrent news headlines about Read More...

Bowl full of gummy bears on the table

These yummy-looking gummy bears are made from locusts

According to the United Nations, there are over 1,900 edible insect species worldwide, and eating more of them could help mitigate climate change, as well as fight global food insecurity. Working towards that goal, an Israeli company has been keeping busy making an infamous insect a key ingredient Read More...

Art Changes Minds by changing hearts

Tapping the creative force, art changes minds in a changing climate

“The arts matter because we matter, and our stories matter. We are moving miracles, walking creators engaging in a cosmic dance. The art we express is timeless.” –Mohammed Sheriff, Division Coordinator at the National Endowment for the Arts (USA) By Oliver Kammeyer At The Optimist Read More...