Environment
Need some good news about the environment? The Optimist Daily is your go-to herald of positive environmental news, highlighting eco-friendly solutions and scientific progress around climate action, circularity, conservation, and more. Learn about everything eco in our Environment section.
This bio-rover is essentially driven by a marimo ball
What is marimo? Marimo is arguably one of nature’s most bizarre creations. Commonly known as algae balls or moss balls, these algae bundles are typically found on lake floors in Japan and Northern Europe. Their fuzzy spherical shape is the result of gentle currents rolling the algae over and Read More...
Goldie the porcupine pufferfish is thriving after emergency dental work
Did you know that porcupine pufferfish teeth, which are known as beaks, never stop growing throughout the fish’s life? “They’re usually kept short naturally, as they’re worn down on their regular diet of hard-shelled foods,” explains veterinary surgeon Daniel Calvo Carrasco, a specialist Read More...
Newly discovered rainfrog named after climate activist
While studying the local diversity of amphibians and reptiles in eastern Panama back in 2012, a group of researchers identified a new species of frog, which was then named after well-known climate activist Greta Thunberg. Leading the expedition was Konrad Mebert from the State University of Read More...
Rare flock of endangered pigeons spotted in the Australian outback
Recently, we wrote a story about how abundant rain in California has brought an endangered salmon species back to some of the state’s streams. Now, an equally welcoming sight has been spotted in the Australian outback, where an ecologist has photographed a flock of hundreds of endangered Read More...
Could electric rail vehicles be the future of freight?
According to the Environmental Protection Agency, medium- and heavy-duty trucks are responsible for 24 percent of the total greenhouse gas emissions spewed by the transportation industry in the US. A team of former SpaceX engineers has designed an electric rail alternative to upturn this Read More...
Weird species of worm named after Godzilla’s enemy
We love sharing the uncovering of the vast biodiversity of our world with our readers. In 2020 alone, 503 new animal species were discovered. From the Popa langur monkey, to nine new snake species and the highest living bumblebee Bombus tibeticus. It is inspiring and exciting to see the wide range Read More...
These recycled plastic blocks offer a constructive solution for plastic pollution
At The Optimist Daily, we never tire of sharing solutions that tackle the gargantuan problem of plastic pollution. Single-use non-recyclable plastic products are prolific in this day and age, and present an undeniably challenging problem for us, for the world’s ecosystems, and for all the Read More...
Designers turn unrecyclable clothes into high-quality textiles
One of the biggest environmental concerns regarding textiles is that most of them are difficult to recycle once they reach the end of their use. This is because these materials typically contain a variety of types of fibers, quality levels, and colors, which makes sorting difficult on an industrial Read More...
This discarded 1990s window design could help fight climate change
According to the United States Department of Energy, buildings use about 76 percent of electricity in the US and are responsible for about 40 percent of all direct and associated greenhouse gas (GHG) emissions in the country. This means that reducing energy consumption from buildings is an Read More...
What cities around the world can learn from Europe’s greenest capital
While an increasing number of major cities are striving to become more climate-friendly, one particular European capital stands out with its sustainability efforts so far. It’s no other than Estonia’s capital, Tallinn, whose notable climate measures have won it the title of the European Green Read More...