green tech

DePoly keeps hard-to-recycle plastic from ending up in landfills

About 400 million tons of plastic are produced each year, but less than 10% is recycled, with most of the rest ending up incinerated or in landfills. One reason is that it is difficult for conventiona

Australian clean tech Endua fixes renewable energy’s intermittency problem

  One major problem with renewable energy sources like wind, solar and hydro is intermittency. This means they cannot be relied on constantly since, for example, the sun might stop shining or it

Device42 tunes IT infrastructure tooling to measure carbon emissions

Device42, a startup that helps companies understand and manage their hybrid infrastructure, can see a lot of information about each customer’s hardware and software usage. The company decided to use

ULUU wants to solve the plastic crisis with seaweed

ULUU believes the solution to the plastic crisis lies in the world’s oceans. The Australian startup uses seaweed to create a plastic alternative and is planning to launch its first products in the n

Samsara Eco raises $54M AUD for its ‘infinite plastic recycling’ tech

Samsara Eco, an Australian startup that uses enzyme-based technology to break down plastic into its core molecules, announced today it has raised $54 million AUD (about $34.7 million USD) in Series A

Enact Systems connects solar installers and customers for more efficient energy use

There are about three million solar installations in the United States per year, but that process is costly and often lacks transparency. Pleasanton, California–based Enact Systems wants to increase

Flush with fresh funds, UK ‘eco laundry’ startup Oxwash spins up growth plans

Oxwash, a U.K. startup that’s spent the last few years applying high tech processes to shrink the environment cost of dry cleaning and commercial laundry, has trousered £10 million (~$12 millio

Getting power from poop, with Levidian’s Loop

The U.K. water processing industry produces a godawful amount of biogas annually. The gasses are primarily used to generate operational heat and power on-site, or they can be turned into biomethane an

Contrarian bets in a downturn

Hello and welcome back to Equity, a podcast about the business of startups, where we unpack the numbers and nuance behind the headlines. Alex and Grace are back to cover the biggest, boldest and ba

Wyvern adds $4M in new non-equity funding for its in-demand hyperspectral imaging tech

Canadian startup Wyvern only just announced a $4.5 million seed round (which itself nearly doubled close to the wire thanks to new commitments) and entry into Y Combinator, and now it’s revealin

Best of TechCrunch 2021

We asked our staff to vote on their favorite stories of the year, added evergreen content and our top TC+ articles for a well-rounded 2021 list. Enjoy!

VC has a pivotal role to play in the climate fight, but it can’t do everything

The TechCrunch Global Affairs Project examines the increasingly intertwined relationship between the tech sector and global politics.

Continental’s eco-friendly concept tire includes a renewable tread

Many efforts are underway to reduce the environmental impact of cars, but what about the tires those cars ride on? Continental thinks it might help, with its new Conti GreenConcept tire.

Sustainable tech developer Turntide Technologies raises $225M

Turntide Technologies, a sustainable technology developer, has announced $225 million in convertible note financing that it says will help fund projects to reduce carbon emissions in the commercial bu

Volvo Cars wants to make a concept car using ‘fossil-free’ steel

Volvo Cars wants to be climate-neutral by 2040, and it has set its sights on a major vehicle component that’s notoriously difficult to decarbonize: steel. The automaker has partnered with Swedish co

VanMoof raises $13.5M to capitalize on e-bike boom in wake of COVID-19

VanMoof, the Dutch e-bike startup that launched in 2009, is now officially a “scale-up” after attracting a €12.5M ($13.5M) investment from London VC Balderton Capital and SINBON Electronics, the

Abundant Robotics spins out of SRI to bring apple-picking robots to the farm

Apples are the second most commonly consumed fruit in the U.S., according to data from the U.S. Department of Agriculture, but the way apples are harvested in the orchard hasn’t changed much in the

Amazon Invests In 150MW Indiana Wind Farm To Power Its Data Centers

Amazon today announced that it is working with the Pattern Energy Group to construct and operate a 150 megawatt wind farm in Benton County, Indiana. The new wind farm will go online in about a year an

Varentec Raises $8M From Bill Gates And Khosla To Reinvent Industrial And Utility Power Grid Management

San Jose-based Varentec, a company that builds power management and monitoring solutions for the electric grid, today announced the close of an $8 million Series B round of funding from Bill Gates and

Google Asks Utilities To Make It Easier For Companies To Buy Renewable Energy

Google has long had an interest in renewable energy and has now invested more than $1 billion of its own money in alternative energy projects. However, as the company notes in a blog post and white pa
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