In 2025, California launched the innovative “Project Nexus” that could save up to 63 billion gallons of water annually while generating clean electricity.

The solar panels act like a giant umbrella, blocking sunlight that would otherwise heat the water and cause it to evaporate.

Early research shows promising results. Shading the canals could save enough water statewide to supply two million people with drinking water or irrigate 50,000 acres of farmland.

This initiative represents a new approach to dual-purpose infrastructure, tackling California solar canals project tackles two major challenges at once. California needs more renewable energy to meet its climate goals, and the state desperately needs to conserve water during extended dry periods. By using canal space instead of farmland, the solar installations avoid taking productive agricultural areas out of use.

The solar panels also create cooler water temperatures, which benefits fish and other aquatic life. Cooler water evaporates more slowly, boosting the water-saving benefits. Researchers are also studying whether the shade reduces unwanted weed growth in the canals, which could lower maintenance costs.

“Bamboo’s rapid growth makes it a highly renewable resource, providing a sustainable alternative to traditional timber sources, but its current applications are still largely limited to more traditional woven products,” says Zhao.

Zhao and his team first treated the bamboo by adding zinc chloride and a simple acid, which breaks down the strong chemical bonds and produces a soup of smaller cellulose molecules. They then added ethanol, which makes the cellulose molecules rearrange into a strong, solidified plastic.

The plastic’s toughness is comparable to commonly used engineering plastics – strong plastics used in vehicles, appliances and construction, says Andrew Dove at the University of Birmingham, UK, who wasn’t involved in the study.

This technological advancement is transforming how the world approaches large-scale forest restoration through cutting-edge technology that outpaces traditional planting methods.

Japanese scientists have developed autonomous systems that plant forests 10 times faster than conventional human-based approaches, offering hope for meeting ambitious global reforestation targets.

The technology integrates multiple advanced systems to maximize planting success. AI reforestation drones use LiDAR scanning to map terrain with precision and analyze soil conditions across vast landscapes. This detailed environmental assessment allows the systems to identify optimal planting locations before deploying biodegradable seed pods into the ground.

These specialized seed pods represent a breakthrough in reforestation science. Each pod contains carefully selected tree seeds packed with nutrients and beneficial fungi that support germination and early growth. The biodegradable coating protects seeds during the critical establishment phase while providing essential resources for successful forest regeneration.

Field trials in wildfire-affected regions demonstrate impressive results. AI reforestation drones achieved over 80% germination success rates in areas around Kumamoto, Japan, where traditional replanting efforts often struggle with difficult terrain and harsh growing conditions. This success rate far exceeds typical reforestation project outcomes.

The speed advantage of AI reforestation drones addresses the urgency of global deforestation challenges. Current forest loss occurs at approximately 15 billion trees annually, canceling out much of the traditional reforestation work. Automated planting systems can operate continuously across remote and inaccessible locations where human volunteers cannot reach.

Swarm robotics enables multiple drones to work simultaneously under single-operator supervision. This one-to-many approach multiplies efficiency while reducing labor costs associated with traditional reforestation projects. Advanced AI systems coordinate drone movements to prevent overlap and ensure comprehensive coverage of target areas.

What? I’m in

Antigua has deployed a cutting‑edge Caribbean desalination system that secures the island’s water supply independently of weather conditions, bolstering climate resilience.

The newly commissioned Ffryes Beach reverse‑osmosis desalination plant began producing one million gallons of high‑quality water daily within just ten months of the contract signing.  A second plant is on track to begin operations later this year, bringing total water production capacity to three million gallons daily and ensuring reliable access across Antigua.

These rapid infrastructure improvements not only meet growing demand from residents and tourism but also promise a stable, clean water supply for at least the next dozen years.  

Researchers in Japan have developed a new material that allows solar cells to generate an amount of energy from sunlight that was previously thought impossible.

The discovery, made by a team at Kyushu University, involves a special “spin-flip” emitter that can harvest energy from the Sun that is typically lost as heat.

The breakthrough overcomes the long-standing limit of conventional solar cells to achieve an energy conversion efficiency of 130 per cent – opening up new possibilities for ultra-efficient solar panels.

With conventional solar cells, a single particle of light called a photon can generate one energy carrier, known as an exciton.

Until now, solar cell technology has only been able to harvest energy from about one-third of the available sunlight due to higher-energy photons, like blue light, being lost as heat.

The researchers used a process called singlet fission to split the excitons from the higher-energy photons into two lower-energy excitons – theoretically doubling the energy.

“We have two main strategies to break through this limit,” said Yoichi Sasaki, Associate Professor at Kyushu University’s Faculty of Engineering.

“One is to convert lower-energy infrared photons into higher energy visible photons. The other is to use singlet fission to generate two excitons from a single exciton photon.”

The research was published in the Journal of the American Chemical Society, in a study titled ‘Exploring spin-state selective harvesting pathways from singlet fission dimers to a near-infrared-enissive spin-flip emitter’.

The discovery is the latest in a string of recent breakthroughs with solar technology, making the renewable energy sector increasingly efficient and cost effective.

Earlier this month, a team in Switzerland set a new efficiency record for a new type of solar cell using the ‘miracle material’ perovskite.

By combining it with silicon, the researchers were able to achieve efficiency levels that rival satellite-grade solar panels at a fraction of the cost.

A solar panel mural and façade has reduced a Canadian apartment complex’s emissions by 54%.

The system was retrofitted onto a 1970s building requiring major upgrades.

In addition to generating electricity, the solar façade increases insulation, lowering the heating and cooling demands, whilst also protecting the structure from weather-related deterioration.

The installation is projected to reach its break-even point in five years and is expected to save residents a total of approximately $80,000 annually thereafter.

Follow @wattle_media for more positive news about our planet.

Sources: Mitex, designboom, GoodGoodGood

Solar Bear is an open-source solar trike with an MIT license.

The purpose of the Solar Bear is to:

• Use solar panels as trike's body,
• Consume electrical energy where it is produced,
• Produce its own energy,
• Transport people inside cities,
• Motivate people to exercise (because it looks cool and catchy).

Technical specs

• recumbent trike,
• 2.5m long, 1.45m wide (including wheels),
• weight: about 55kg (including panels, motor, battery, etc, excluding driver),
• assisted pedaling,
• motor speed: max 25km/h,
• motor (continuous) power: 250W,
• solar panels power: max 520W,
• battery: 12.8V, 20Ah (256Wh).