Today’s Solutions: March 23, 2026

512 results for "carbon dioxide"

The Climate Diet: A guide to l

The Climate Diet: A guide to living for a greener future

We at The Optimist Daily are big fans of lifestyle changes that contribute towards slashing greenhouse gas emissions and offer a sense of autonomy in creating a greener future. We’ve written at length about the benefits of shifting towards a plant-based lifestyle and reducing personal waste and Read More...

Celebrate Earth Day with these

Celebrate Earth Day with these 6 virtual events

Happy Earth Day! In addition to our Healthy Kitchens Week series, we’re celebrating by sharing some great virtual events you can take part in to honor the Earth and flex your sustainability muscles.  Earth Day Live: Restore Our Earth. This online stream begins today at noon (EST) and Read More...

NASA’s Ingenuity helicopter

NASA’s Ingenuity helicopter makes history with its first flight on Mars

In an incredible space exploration feat, NASA’s Ingenuity helicopter successfully completed its first flight on Mars this week. The historic event took place on Monday, 3:34 a.m. ET, and marked the first powered, controlled flight on another planet. The small hopper, weighing no more than four Read More...

Atlantic salmon isolated on a white studio background.

There's something fishy about this biodegradable plastic

It’s no secret that plastic is not a friend to our environment. Commonly used types of plastic, like polyurethane, are made from non-renewable crude oil and will take hundreds of years to break down once thrown out. The problem is that humans use plastic for a variety of things, so much so that Read More...

How to stop a lake from explod

How to stop a lake from exploding? Turn it into a power source

In most lakes, convection helps mix cool water from the depths with warm water at the surface, but in Lake Kivu, this is not the case. The lake, which lies on the border of Rwanda and the Democratic Republic of the Congo, is being slowly pulled apart by tectonic forces. This volcanic activity feeds Read More...

These algae solar panels gener

These algae solar panels generate green energy while cleaning the air

The solar panels of the future could be a lot greener (literally) than the ones currently adorning our rooftops and fields. At least that’s the vision of 23-year-old Mexican biotechnologist Adán Ramirez Sánchez, whose solar energy invention puts algae under the spotlight. Green energy from Read More...

New blade design has the poten

New blade design has the potential to reduce wind energy costs

As an increasing amount of evidence suggests, the world could be powered entirely by renewables a soon as 2050. But to make sure that happens, we need to continue to develop new, innovative designs that will streamline the transition to clean energy. That’s exactly what a team of scientists in Read More...

Sustainable agriculture startu

Sustainable agriculture startup turns CO2 into animal feed

Recently, we shared a story about how feeding cattle seaweed could significantly reduce the greenhouse gas emissions associated with livestock farming. Now, we would like to introduce to you Deep Branch, a UK-based startup that aims to cut the environmental footprint of agriculture by creating Read More...

Researchers map out where ocea

Researchers map out where ocean conservation would be most impactful

Marine conservation is critical for ocean health and the continued survival of marine species, but when it comes to protecting our oceans, some regions pack a bigger conservation punch than others. A new study from the University of California, Santa Barbara has mapped out which areas of the ocean, Read More...

Land-scarce Singapore builds f

Land-scarce Singapore builds floating solar farms to fight climate change

While Singapore is one of the world’s smallest countries, its carbon footprint is not necessarily proportional to its size. In fact, the city-state is ranked among Asia’s biggest per-capita emitters of carbon dioxide. The country has vocalized commitments to change things for the better and Read More...