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☆ Africa’s first carbon-removal plant stokes questions about responsible climate solutions
▼ + stars: | 2023-10-05 | by ( Nidhi Sharma | ) www.cnbc.com time to read: +6 min

Others say that direct air capture is a necessary part of a diverse effort to limit global warming. Carbon removal companies such as Climeworks create carbon credits corresponding to units of carbon dioxide captured by their plants — these credits can be purchased by companies to offset their carbon emissions. Some say investing in direct air capture technology is pointless. "If it's being used for direct air capture, it's not being used for something else. Many global climate leaders agree.

Persons: Bilha Ndirangu, watchdogs, Ugbaad Kosar, that's, Jonathan Foley, Ndirangu, Carlijn Nouwen, Nouwen, Olúfẹ́mi, Táíwò, That's, Mark Jacobson, it's, Julie Gosalvez, Climeworks, Gosalvez Organizations: Deutsches Museum, United Nations, Africa Climate Summit, Georgetown University, Stanford University Locations: Munich, Kenya, Swiss, Climeworks, Carbon, Africa, Nairobi, Saharan Africa, Tanzania, Ethiopia

That includes a $35 million government procurement program for carbon removal credits, and funding for 14 feasibility studies and 5 engineering and design studies for earlier-stage hub projects. Worsening climate change and inadequate efforts to cut emissions have thrust carbon removal into the spotlight. Although most environmental activists acknowledge that carbon removal will be needed for global climate targets to be met, they are concerned companies could use carbon removal development to give fossil fuel companies cover to maintain production, especially in minority and low-income areas. Erin Burns, director of carbon removal advisory firm Carbon180, said the United States is positioning itself as a leader in this technology. "This is the first major federal investment from any country on carbon removal at this level," Burns said.

Persons: Worley, Jennifer Granholm, Vicki Hollub, Erin Burns, Carbon180, Burns, Valerie Volcovici, Gerry Doyle Organizations: Reuters, REUTERS, Occidental Petroleum Corp, WASHINGTON, U.S . Department of Energy, Department of Energy, DOE, Battelle, Climeworks Corporation, Carbon, Inc, South, South Texas DAC, Occidental 1PointFive, Carbon Engineering Ltd, DAC, Energy Department, United Arab, Occidental, Thomson Locations: Handout, Texas, Louisiana, Cypress, South Texas, Kleberg County , Texas, United Arab Emirates, United States

☆ Test proves that CO2 sucked from the air can be trapped in concrete
▼ + stars: | 2023-02-03 | by ( ) www.cnbc.com time to read: +4 min

To do that, two things are needed: first, capturing carbon dioxide with nature or technology, and second, locking it up for centuries. The rock is then heated to release the collected ambient carbon dioxide, and the cycle repeats. Canada's CarbonCure, the concrete technology company, mixes CO2 with concrete ingredients, turning it into a mineral that strengthens the concrete, cutting the need for cement — the part of concrete with the biggest carbon footprint. The U.S. government and industry broadly see $100-a-tonne carbon dioxide as a reasonable price for broad deployment. However, concrete's ubiquity is attractive, because there are few places to securely hold carbon dioxide at present.

☆ Nest smart thermostat co-founder is back with a new device for the home, focused on food
▼ + stars: | 2023-01-17 | by ( Barbara Collins | ) www.cnbc.com time to read: +4 min

Matt Rogers went from Apple to Nest Labs and into many homes with the now-Google smart thermostat. He's looking to get into your home again, this time to solve America's food waste problem. After Nest, Rogers began work on several philanthropic projects, many focusing on climate-related initiatives. "We've kind of gotten used to the way things are, but it doesn't have to be that way," Rogers said. Mill now makes it easy for people to get rid of food waste and reduce their carbon footprint.

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