Roundup: A123 files for IPO, Nokia opens in Africa, Calera comes out, and more

Roundup: A123 files for IPO, Nokia opens in Africa, Calera comes out, and more

A123 Systems files proposal for IPO — Lithium-ion battery maker A123 Systems, which aims to sell into the electric vehicle market, has filed the initial registration statement required for an initial public offering. The number of shares to be sold or price has not yet been… Continue Reading

Green cement maker Hycrete raises $15M

Hycrete, a Carlstadt, New Jersey-based green cement maker, has nabbed $15 million in third round funding led by Mohr Davidow Ventures. Returning investors included NGEN Partners and RockPort Capital Partners, according to VentureWire.

The company will use the funding to expand its operations overseas, particularly in… Continue Reading

Will CO2 become the next hot commodity?

Will CO2 become the next hot commodity?

While most of us have come to think of CO2 as a problem, some see it as a potentially lucrative market opportunity. Santa Barbara, Calif.-based Carbon Sciences is one company asking the question: Why try to bury the ubiquitous greenhouse gas when you can just… Continue Reading

IEA calls for $45 trillion push to halve carbon emissions

IEA calls for $45 trillion push to halve carbon emissions

Emissions will jump 130 percent and oil demand 70 percent by 2050 unless governments take immediate action to start a new $45 trillion “energy technology revolution,” according to a new International Energy Agency (IEA) report.

Halving emissions by mid-century will require governments to rapidly drive up… Continue Reading

Despite widespread reservations, United States, China, and Exxon all move forward on carbon sequestration

Despite widespread reservations, United States, China, and Exxon all move forward on carbon sequestration

In the cleantech world, carbon sequestration, or the practice of capturing CO2 emissions and trapping them underground or inside materials, is something of a black sheep. Environmentalists call it a “boondoggle”, some engineers think it’s “absolutely crazy”, and even some politicians have called it a… Continue Reading

Investment in the green building sector is booming

Investment in the green building sector is booming

The green building sector has been awash with VC cash in recent months: Despite there only being a few dozen startups in the nascent field, investors have started paying close attention — helping several raise new rounds of funding.

Newark, California-based CalStar Cement has received $3.4… Continue Reading

Calera, pulls carbon dioxide out of atmosphere to produce cement

Calera, pulls carbon dioxide out of atmosphere to produce cement

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A secretive Silicon Valley company called Calera says it can stop global warming and ocean acidification by pulling greenhouse gas out of the atmosphere.

It is building a way to grab carbon dioxide from its surroundings during the manufacturing of cement. Cement is a huge culprit… Continue Reading