#182 Highway for Bicycles

Meet Franca Fellmann from URB-X in Basel. The company's idea: Let's build highways for bicycles. Let's make cycling faster and safer in the big cities. The concept is a four-lane highway, not for cars, but for bicycles.  It is Built with sustainable wood.


Check out our video!



#181 Climate Neutral Concrete From Swiss Alps

Meet Christian Wengi, CEO of Logbau AG in the Swiss village of Maienfeld, and learn how he has produced CO2-neutral concrete.

Check out our video about climate-neutral concrete.


#180 Swiss Electric Aircraft: Smartflyer

Let's meet Rolf Stuber, the inventor of the Swiss electric aircraft "Smartflyer" near the airport of Grenchen. It's a four-seater with a combustion engine and some batteries, but the aircraft should be 100 % electric in the future with a range of almost 400 km. The inauguration flight should take place in 2025. We wish Rolf all the best and lots of success with his smart and environment-friendly airplane!


#179 Swiss Traffic Free Village

The Swiss tourist village Saas-Fee is not only a world-famous village because of its mountains, but also because it is traffic-free. For 70 years already electric vehicles have been roaming the streets, without any noise or pollution. Let's meet Bern Kalbermatten, the representative of Saas-Fee, who has invited SolarButterfly to meet the pupils and the locals at 1800 m ASL.





#178 Restoring Nature: A Conversation with Daniela of Monteverde Institute

Meet Daniela Quesada Cruz, the vibrant force behind the Monteverde Institute in Costa Rica. Founded in 1986, this non-profit educational hub is dedicated to fostering sustainable tourism by blending academic programs, research, and community initiatives.

In our latest Solar Butterfly adventure, Daniela shares the fascinating story of the reforestation program, unraveling the deeper layers beyond just planting trees. Join us in the video to delve into the incredible journey of restoring nature and building a sustainable future.



#177 CORCLIMA: Leading Monteverde's Climate Resilience Efforts

Meet Katy Van Dusen, a Pioneer, and Coordinator of the Comisión para la Resiliencia al Cambio Climático en Monteverde, short CORCLIMA, a community initiative.

The Commission's goal is for Monteverde's community to become more resilient against climate change, introducing solutions to become more sustainable. Ideas like a farmers' market with sustainable products, access to chargers for electric cars for everybody, a second-hand store with its brand upcycling old jeans, and a toilet without using water.

See what Katy and her team have accomplished to make Monteverde step up. All of CORCLIMA's projects focus on how we can strengthen the community.


#176 The Bamboo House: Architect Kevin Rodriguez's CASSA Creations

Introducing Kevin Rodriguez, the innovative Architect at CASSA, who specializes in designing houses constructed with bamboo. Did you know bamboo grows faster than any other plant and is one of the most efficient in absorbing CO2?

Beyond its remarkable growth rate, Kevin not only uses bamboo as the primary material for his houses but also prioritizes sustainability. His designs include features like a rainwater collection for toilet water and solar panels atop each structure.



#175 Kessel's Solar Breakthroughs: Journey with Director Israel Marquéz

We had the pleasure of meeting Israel Marquéz de la Rosa, Director of Kessel Company. Kessel, known for innovative solar-powered hot water containers, shared remarkable advancements in harnessing solar energy. This encounter added a new dimension to our journey, highlighting Kessel's groundbreaking contributions to a sustainable future.

Inspired by Israel and Kessel's innovations, we eagerly continue our voyage, encountering remarkable individuals and innovations along the way.

Full interview here:



#174 ECOLIFE Mexico's High-Efficiency Wood Furnaces Saving the Environment

ECOLIFE Mexico is seeking households that still cook with open fire. This practice is detrimental to the environment and the health of residents. To address this, they have constructed high-efficiency wood furnaces with vents. Each furnace saves around 4 tons of CO2 annually. Over the last 6 years, they have built over 14,000 furnaces, collectively preventing the emission of over 60,000 tons of CO2.

You can contribute by donating one of these furnaces at www.ecolifeconservation.org/donate.

Check out the full interview here:



#173 Agave Waste Usage

Meet Cesar Macias!

Mexico is the country of Tequila, and during the production of Tequila, there is a significant amount of waste. To address this issue, ITESO University has come up with a solution. Check out the full interview to see how: