Tim De Chant

Cala Systems’ water heater pairs an advanced heat pump with an AI-powered control system to forecast hot water demand.

Investors are assisting startup founders earlier than ever in an effort to help them bridge the first climate tech valley of death.

The startup developed a two-material system that helps homes self-regulate their internal humidity.

The startup has raised $21.5 million to build more of its machines and deploy them throughout the U.S.

The startup is betting it can bring its fusion technology to market at a breakneck pace by leaning heavily on partners.

The startup has developed a way to create copper and aluminum foils that are laced with tiny holes and riddled with undulating peaks and valleys.

Farmers have got to do something about pests. But nobody really likes the idea of using more chemical pesticides. Thomas Laurent’s company, Micropep, thinks the answer might already be in…

The IT outage may have an unexpected effect on the climate: clearer skies and maybe lower temperatures this evening

Marathon Fusion emerges from stealth with a plan to help fusion power plants extract tritium, a necessary fuel.

Strong magnets are essential for the type of fusion power being pursued by Commonwealth Fusion Systems and a number of other startups.

Fusion power may still be a few years away, but one startup is laying the groundwork for what it hopes will become a bustling sector of the economy.

NovoNutrients has raised a $18 million Series A round from investors to build a pilot-scale facility to prove that its fermentation process works at scale.

Artyc has raised $14 million to date and has a product on the market, Medstow Micro, that helps ship temperature-sensitive specimens.

Climate tech startups especially those building hardware, face a particular challenge when trying to move beyond the prototype or pilot phase and start selling finished products to customers.

Consumer technology is hard, but few people have mastered it as well as Matt Rogers, co-founder of Nest and now Mill, his new startup that promises to turn your table…

The e-fuels startup is working on producing fuel for aviation and maritime shipping using carbon dioxide and other waste carbon streams.

Cheap irrigation has transformed many regions around the world into breadbaskets, but it also means that there can be little left for other uses.

Balto Energy hopes to speed the electrification by helping homeowners choose and finance the projects that make the most sense for them.

Sodium-ion isn’t quite ready for widespread use, but one startup thinks it has surmounted the battery chemistry’s key hurdles.

The specter of wastewater threatens to stall the construction of battery factories. One startup, though, says the solution is to recycle it.

With most residential solar panels installed by smaller companies, customer experience can be a mixed bag. To try to address the quality and consistency problem, Civic Renewables is buying small…

“We were motivated to fundraise because we think the ’24 vintage is going to be a good one,” founder Craig Shapiro said.

The company is in the process of building a gigawatt-scale factory in Kentucky to produce its nickel-hydrogen batteries.

A new app called MyGlimpact is intended not only to help people understand their environmental footprint, but why they shouldn’t feel guilty about it.

The startup is hoping its durable filters can make metals refining and battery recycling more efficient, too.

The startup has been pursuing a ground-up redesign of a well-understood technology.

The design brief was simple: each grind and dry cycle had to be completed before breakfast. Here’s how Mill made it happen.

When other firms were investing and raising eye-popping sums, Clean Energy Ventures took a different approach. It appears to be paying off.

Small operations can lose customers by not offering financing, something the Berlin-based startup wants to change.